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                CeCILL FREE SOFTWARE LICENSE AGREEMENT

     Notice

 This Agreement is a Free Software license agreement that is the result

 of discussions between its authors in order to ensure compliance with

 the two main principles guiding its drafting:

     * firstly, compliance with the principles governing the distribution

       of Free Software: access to source code, broad rights granted to

       users,

     * secondly, the election of a governing law, French law, with which

       it is conformant, both as regards the law of torts and

       intellectual property law, and the protection that it offers to

       both authors and holders of the economic rights over software.

 The authors of the CeCILL (for Ce[a] C[nrs] I[nria] L[logiciel] L[ibre])

 license are:

 Commissariat à l'Energie Atomique - CEA, a public scientific, technical

 and industrial research establishment, having its principal place of 

 business at 25 rue Leblanc, immeuble Le Ponant D, 75015 Paris, France.

 Centre National de la Recherche Scientifique - CNRS, a public scientific

 and technological research establishment, having its principal place of 

 business at 3 rue Michel-Ange, 75794 Paris cedex 16, France.

 Institut National de Recherche en Informatique et en Automatique -

 INRIA, a public scientific and technological establishment, having its

 principal place of business at Domaine de Voluceau, Rocquencourt, BP

 105, 78153 Le Chesnay cedex, France.

     Preamble

 The purpose of this Free Software license agreement is to grant users

 the right to modify and redistribute the software governed by this

 license within the framework of an open source distribution model.

 The exercising of these rights is conditional upon certain obligations

 for users so as to preserve this status for all subsequent redistributions.

 In consideration of access to the source code and the rights to copy,

 modify and redistribute granted by the license, users are provided only

 with a limited warranty and the software's author, the holder of the

 economic rights, and the successive licensors only have limited liability.

 In this respect, the risks associated with loading, using, modifying

 and/or developing or reproducing the software by the user are brought to

 the user's attention, given its Free Software status, which may make it

 complicated to use, with the result that its use is reserved for

 developers and experienced professionals having in-depth computer

 knowledge. Users are therefore encouraged to load and test the suitability

 of the software as regards their requirements in conditions enabling 

 the security of their systems and/or data to be ensured and, more 

 generally, to use and operate it in the same conditions of security. 

 This Agreement may be freely reproduced and published, provided it is not

 altered, and that no provisions are either added or removed herefrom.

 This Agreement may apply to any or all software for which the holder of

 the economic rights decides to submit the use thereof to its provisions.

     Article 1 - DEFINITIONS

 For the purpose of this Agreement, when the following expressions

 commence with a capital letter, they shall have the following meaning:

 Agreement: means this license agreement, and its possible subsequent

 versions and annexes.

 Software: means the software in its Object Code and/or Source Code form

 and, where applicable, its documentation, "as is" when the Licensee

 accepts the Agreement.

 Initial Software: means the Software in its Source Code and possibly its

 Object Code form and, where applicable, its documentation, "as is" when

 it is first distributed under the terms and conditions of the Agreement.

 Modified Software: means the Software modified by at least one

 Contribution.

 Source Code: means all the Software's instructions and program lines to

 which access is required so as to modify the Software.

 Object Code: means the binary files originating from the compilation of

 the Source Code.

 Holder: means the holder(s) of the economic rights over the Initial

 Software.

 Licensee: means the Software user(s) having accepted the Agreement.

 Contributor: means a Licensee having made at least one Contribution.

 Licensor: means the Holder, or any other individual or legal entity, who

 distributes the Software under the Agreement.

 Contribution: means any or all modifications, corrections, translations,

 adaptations and/or new functions integrated into the Software by any or

 all Contributors, as well as any or all Internal Modules.

 Module: means a set of sources files including their documentation that

 enables supplementary functions or services in addition to those offered

 by the Software.

 External Module: means any or all Modules, not derived from the

 Software, so that this Module and the Software run in separate address

 spaces, with one calling the other when they are run.

 Internal Module: means any or all Module, connected to the Software so

 that they both execute in the same address space.

 GNU GPL: means the GNU General Public License version 2 or any

 subsequent version, as published by the Free Software Foundation Inc.

 Parties: mean both the Licensee and the Licensor.

 These expressions may be used both in singular and plural form.

     Article 2 - PURPOSE

 The purpose of the Agreement is the grant by the Licensor to the

 Licensee of a non-exclusive, transferable and worldwide license for the

 Software as set forth in Article 5 hereinafter for the whole term of the 

 protection granted by the rights over said Software.

     Article 3 - ACCEPTANCE

 3.1 The Licensee shall be deemed as having accepted the terms and

 conditions of this Agreement upon the occurrence of the first of the

 following events:

     * (i) loading the Software by any or all means, notably, by

       downloading from a remote server, or by loading from a physical

       medium;

     * (ii) the first time the Licensee exercises any of the rights

       granted hereunder.

 3.2 One copy of the Agreement, containing a notice relating to the

 characteristics of the Software, to the limited warranty, and to the

 fact that its use is restricted to experienced users has been provided

 to the Licensee prior to its acceptance as set forth in Article 3.1

 hereinabove, and the Licensee hereby acknowledges that it has read and 

 understood it.

     Article 4 - EFFECTIVE DATE AND TERM

       4.1 EFFECTIVE DATE

 The Agreement shall become effective on the date when it is accepted by

 the Licensee as set forth in Article 3.1.

       4.2 TERM

 The Agreement shall remain in force for the entire legal term of

 protection of the economic rights over the Software.

     Article 5 - SCOPE OF RIGHTS GRANTED

 The Licensor hereby grants to the Licensee, who accepts, the following

 rights over the Software for any or all use, and for the term of the

 Agreement, on the basis of the terms and conditions set forth hereinafter.

 Besides, if the Licensor owns or comes to own one or more patents

 protecting all or part of the functions of the Software or of its

 components, the Licensor undertakes not to enforce the rights granted by

 these patents against successive Licensees using, exploiting or

 modifying the Software. If these patents are transferred, the Licensor

 undertakes to have the transferees subscribe to the obligations set

 forth in this paragraph.

       5.1 RIGHT OF USE

 The Licensee is authorized to use the Software, without any limitation

 as to its fields of application, with it being hereinafter specified

 that this comprises:

    1. permanent or temporary reproduction of all or part of the Software

       by any or all means and in any or all form.

    2. loading, displaying, running, or storing the Software on any or

       all medium.

    3. entitlement to observe, study or test its operation so as to

       determine the ideas and principles behind any or all constituent

       elements of said Software. This shall apply when the Licensee

       carries out any or all loading, displaying, running, transmission

       or storage operation as regards the Software, that it is entitled

       to carry out hereunder.

       5.2 ENTITLEMENT TO MAKE CONTRIBUTIONS

 The right to make Contributions includes the right to translate, adapt,

 arrange, or make any or all modifications to the Software, and the right

 to reproduce the resulting software.

 The Licensee is authorized to make any or all Contributions to the

 Software provided that it includes an explicit notice that it is the

 author of said Contribution and indicates the date of the creation thereof.

       5.3 RIGHT OF DISTRIBUTION

 In particular, the right of distribution includes the right to publish,

 transmit and communicate the Software to the general public on any or

 all medium, and by any or all means, and the right to market, either in

 consideration of a fee, or free of charge, one or more copies of the

 Software by any means.

 The Licensee is further authorized to distribute copies of the modified

 or unmodified Software to third parties according to the terms and

 conditions set forth hereinafter.

         5.3.1 DISTRIBUTION OF SOFTWARE WITHOUT MODIFICATION

 The Licensee is authorized to distribute true copies of the Software in

 Source Code or Object Code form, provided that said distribution

 complies with all the provisions of the Agreement and is accompanied by:

    1. a copy of the Agreement,

    2. a notice relating to the limitation of both the Licensor's

       warranty and liability as set forth in Articles 8 and 9,

 and that, in the event that only the Object Code of the Software is

 redistributed, the Licensee allows future Licensees unhindered access to

 the full Source Code of the Software by indicating how to access it, it

 being understood that the additional cost of acquiring the Source Code

 shall not exceed the cost of transferring the data.

         5.3.2 DISTRIBUTION OF MODIFIED SOFTWARE

 When the Licensee makes a Contribution to the Software, the terms and

 conditions for the distribution of the resulting Modified Software 

 become subject to all the provisions of this Agreement.

 The Licensee is authorized to distribute the Modified Software, in

 source code or object code form, provided that said distribution

 complies with all the provisions of the Agreement and is accompanied by:

    1. a copy of the Agreement,

    2. a notice relating to the limitation of both the Licensor's

       warranty and liability as set forth in Articles 8 and 9,

 and that, in the event that only the Object Code of the Modified

 Software is redistributed, the Licensee allows future Licensees

 unhindered access to the full source code of the Modified Software by

 indicating how to access it, it being understood that the additional

 cost of acquiring the source code shall not exceed the cost of

 transferring the data.

         5.3.3 DISTRIBUTION OF EXTERNAL MODULES

 When the Licensee has developed an External Module, the terms and

 conditions of this Agreement do not apply to said External Module, that

 may be distributed under a separate license agreement.

         5.3.4 COMPATIBILITY WITH THE GNU GPL

 The Licensee can include a code that is subject to the provisions of one

 of the versions of the GNU GPL in the Modified or unmodified Software,

 and distribute that entire code under the terms of the same version of

 the GNU GPL.

 The Licensee can include the Modified or unmodified Software in a code

 that is subject to the provisions of one of the versions of the GNU GPL,

 and distribute that entire code under the terms of the same version of

 the GNU GPL.

     Article 6 - INTELLECTUAL PROPERTY

       6.1 OVER THE INITIAL SOFTWARE

 The Holder owns the economic rights over the Initial Software. Any or

 all use of the Initial Software is subject to compliance with the terms

 and conditions under which the Holder has elected to distribute its work

 and no one shall be entitled to modify the terms and conditions for the

 distribution of said Initial Software.

 The Holder undertakes that the Initial Software will remain ruled at

 least by the current license, for the duration set forth in Article 4.2.

       6.2 OVER THE CONTRIBUTIONS

 A Licensee who develops a Contribution is the owner of the intellectual

 property rights over this Contribution as defined by applicable law.

       6.3 OVER THE EXTERNAL MODULES

 A Licensee who develops an External Module is the owner of the

 intellectual property rights over this External Module as defined by

 applicable law and is free to choose the type of agreement that shall

 govern its distribution.

       6.4 JOINT PROVISIONS

 The Licensee expressly undertakes:

    1. not to remove, or modify, in any manner, the intellectual property

       notices attached to the Software;

    2. to reproduce said notices, in an identical manner, in the copies

       of the Software modified or not.

 The Licensee undertakes not to directly or indirectly infringe the

 intellectual property rights of the Holder and/or Contributors on the

 Software and to take, where applicable, vis-à-vis its staff, any and all

 measures required to ensure respect of said intellectual property rights

 of the Holder and/or Contributors.

     Article 7 - RELATED SERVICES

 7.1 Under no circumstances shall the Agreement oblige the Licensor to

 provide technical assistance or maintenance services for the Software.

 However, the Licensor is entitled to offer this type of services. The

 terms and conditions of such technical assistance, and/or such

 maintenance, shall be set forth in a separate instrument. Only the

 Licensor offering said maintenance and/or technical assistance services

 shall incur liability therefor.

 7.2 Similarly, any Licensor is entitled to offer to its licensees, under

 its sole responsibility, a warranty, that shall only be binding upon

 itself, for the redistribution of the Software and/or the Modified

 Software, under terms and conditions that it is free to decide. Said

 warranty, and the financial terms and conditions of its application,

 shall be subject of a separate instrument executed between the Licensor

 and the Licensee.

     Article 8 - LIABILITY

 8.1 Subject to the provisions of Article 8.2, the Licensee shall be

 entitled to claim compensation for any direct loss it may have suffered

 from the Software as a result of a fault on the part of the relevant

 Licensor, subject to providing evidence thereof.

 8.2 The Licensor's liability is limited to the commitments made under

 this Agreement and shall not be incurred as a result of in particular:

 (i) loss due the Licensee's total or partial failure to fulfill its

 obligations, (ii) direct or consequential loss that is suffered by the

 Licensee due to the use or performance of the Software, and (iii) more

 generally, any consequential loss. In particular the Parties expressly

 agree that any or all pecuniary or business loss (i.e. loss of data,

 loss of profits, operating loss, loss of customers or orders,

 opportunity cost, any disturbance to business activities) or any or all

 legal proceedings instituted against the Licensee by a third party,

 shall constitute consequential loss and shall not provide entitlement to

 any or all compensation from the Licensor.

     Article 9 - WARRANTY

 9.1 The Licensee acknowledges that the scientific and technical

 state-of-the-art when the Software was distributed did not enable all

 possible uses to be tested and verified, nor for the presence of

 possible defects to be detected. In this respect, the Licensee's

 attention has been drawn to the risks associated with loading, using,

 modifying and/or developing and reproducing the Software which are

 reserved for experienced users.

 The Licensee shall be responsible for verifying, by any or all means,

 the suitability of the product for its requirements, its good working order,

 and for ensuring that it shall not cause damage to either persons or

 properties.

 9.2 The Licensor hereby represents, in good faith, that it is entitled

 to grant all the rights over the Software (including in particular the

 rights set forth in Article 5).

 9.3 The Licensee acknowledges that the Software is supplied "as is" by

 the Licensor without any other express or tacit warranty, other than

 that provided for in Article 9.2 and, in particular, without any warranty

 as to its commercial value, its secured, safe, innovative or relevant 

 nature.

 Specifically, the Licensor does not warrant that the Software is free

 from any error, that it will operate without interruption, that it will

 be compatible with the Licensee's own equipment and software

 configuration, nor that it will meet the Licensee's requirements.

 9.4 The Licensor does not either expressly or tacitly warrant that the

 Software does not infringe any third party intellectual property right

 relating to a patent, software or any other property right. Therefore,

 the Licensor disclaims any and all liability towards the Licensee

 arising out of any or all proceedings for infringement that may be

 instituted in respect of the use, modification and redistribution of the

 Software. Nevertheless, should such proceedings be instituted against

 the Licensee, the Licensor shall provide it with technical and legal

 assistance for its defense. Such technical and legal assistance shall be

 decided on a case-by-case basis between the relevant Licensor and the

 Licensee pursuant to a memorandum of understanding. The Licensor

 disclaims any and all liability as regards the Licensee's use of the

 name of the Software. No warranty is given as regards the existence of

 prior rights over the name of the Software or as regards the existence

 of a trademark.

     Article 10 - TERMINATION

 10.1 In the event of a breach by the Licensee of its obligations

 hereunder, the Licensor may automatically terminate this Agreement

 thirty (30) days after notice has been sent to the Licensee and has

 remained ineffective.

 10.2 A Licensee whose Agreement is terminated shall no longer be

 authorized to use, modify or distribute the Software. However, any

 licenses that it may have granted prior to termination of the Agreement

 shall remain valid subject to their having been granted in compliance

 with the terms and conditions hereof.

     Article 11 - MISCELLANEOUS

       11.1 EXCUSABLE EVENTS

 Neither Party shall be liable for any or all delay, or failure to

 perform the Agreement, that may be attributable to an event of force

 majeure, an act of God or an outside cause, such as defective

 functioning or interruptions of the electricity or telecommunications

 networks, network paralysis following a virus attack, intervention by

 government authorities, natural disasters, water damage, earthquakes,

 fire, explosions, strikes and labor unrest, war, etc.

 11.2 Any failure by either Party, on one or more occasions, to invoke

 one or more of the provisions hereof, shall under no circumstances be

 interpreted as being a waiver by the interested Party of its right to

 invoke said provision(s) subsequently.

 11.3 The Agreement cancels and replaces any or all previous agreements,

 whether written or oral, between the Parties and having the same

 purpose, and constitutes the entirety of the agreement between said

 Parties concerning said purpose. No supplement or modification to the

 terms and conditions hereof shall be effective as between the Parties

 unless it is made in writing and signed by their duly authorized

 representatives.

 11.4 In the event that one or more of the provisions hereof were to

 conflict with a current or future applicable act or legislative text,

 said act or legislative text shall prevail, and the Parties shall make

 the necessary amendments so as to comply with said act or legislative

 text. All other provisions shall remain effective. Similarly, invalidity

 of a provision of the Agreement, for any reason whatsoever, shall not

 cause the Agreement as a whole to be invalid.

       11.5 LANGUAGE

 The Agreement is drafted in both French and English and both versions

 are deemed authentic.

     Article 12 - NEW VERSIONS OF THE AGREEMENT

 12.1 Any person is authorized to duplicate and distribute copies of this

 Agreement.

 12.2 So as to ensure coherence, the wording of this Agreement is

 protected and may only be modified by the authors of the License, who

 reserve the right to periodically publish updates or new versions of the

 Agreement, each with a separate number. These subsequent versions may

 address new issues encountered by Free Software.

 12.3 Any Software distributed under a given version of the Agreement may

 only be subsequently distributed under the same version of the Agreement

 or a subsequent version, subject to the provisions of Article 5.3.4.

     Article 13 - GOVERNING LAW AND JURISDICTION

 13.1 The Agreement is governed by French law. The Parties agree to

 endeavor to seek an amicable solution to any disagreements or disputes

 that may arise during the performance of the Agreement.

 13.2 Failing an amicable solution within two (2) months as from their

 occurrence, and unless emergency proceedings are necessary, the

 disagreements or disputes shall be referred to the Paris Courts having

 jurisdiction, by the more diligent Party.

 Version 2.0 dated 2006-07-12.