[CLA] Corporate signature for Aetna Softwares

Closes #12214

doc/cla/corporate/AetnaSoftwares.md

+France, 2016-05-30
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+Aetna Softwares. agrees to the terms of the Odoo Corporate Contributor License Agreement v1.0.
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+I declare that I am authorized and able to make this agreement and sign this declaration.
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+Signed,
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+Olivier Oriol aetna.softwares@gmail.com https://github.com/aetna-softwares
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+List of contributors:
+
+Olivier Oriol aetna.softwares@gmail.com https://github.com/aetna-softwares