Odoo updates

- Some refactoring of the entrypoint script
- Slimmer image
- Update to version 20150401

library/odoo

@@ -1,5 +1,5 @@
 # maintainer: Aaron Bohy <[email protected]> (@aab-odoo)
 
-8.0: git://github.com/odoo/docker@89454a4c4167c95c7b2cccf12f7ba5a6187af62c 8.0
-8: git://github.com/odoo/docker@89454a4c4167c95c7b2cccf12f7ba5a6187af62c 8.0
-latest: git://github.com/odoo/docker@89454a4c4167c95c7b2cccf12f7ba5a6187af62c 8.0
+8.0: git://github.com/odoo/docker@0afa334549c20c2a00eb1b8f5540c2f35bd7cac4 8.0
+8: git://github.com/odoo/docker@0afa334549c20c2a00eb1b8f5540c2f35bd7cac4 8.0
+latest: git://github.com/odoo/docker@0afa334549c20c2a00eb1b8f5540c2f35bd7cac4 8.0