Improve the startup of the proxy
** DONE Simple end to end test - simple entity creation
Improve the save and log buffer policy.
Improve the logging message.
** DONE Upgrade version
CLOSED: [2013-08-23 ven. 09:51]
Small update on doc about the proxy admin
** DONE Release notes CLOSED: [2013-08-23 ven. 10:00] ** DONE Release CLOSED: [2013-08-23 ven. 10:01]