[CLA] Abstract signs the corporate CLA

Closes #9435

doc/cla/corporate/abstract.md

@@ -0,0 +1,18 @@
+Italy, 2015-11-05
+
+Abstract Srl agrees to the terms of the Odoo Corporate Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this 
+declaration.
+
+Signed,
+
+Davide Corio davide.corio@abstract.it https://github.com/dcorio
+
+
+List of contributors:
+
+Davide Corio davide.corio@abstract.it https://github.com/dcorio
+Simone Orsi simone.orsi@abstract.it https://github.com/simahawk
+Giacomo Spettoli giacomo.spettoli@abstract.it https://github.com/giacomos