OO-2172: refactor the spring configuration to be more Spring 4 friendly, remove the cycle generate by the properties injection, deployment of course and user in a separate module

OO-2041: upgrade hibernate and infinispan, update mapping to use TableGenerator with legacy-hilo optimizer

OO-722,OO-1635: better support of back button in e-Portfolio, unify to check to log to the console and remove some offending call to it

OO-1615: springuifie mail package, rest package, question pool module... remove unused dependencies...

OO-1606: close asap the database connection in the QTIPreWarm executor, remove some unused spring dependencies as Eclipse Mars detect them

OO-1539: add a timeout to the focus command, jQuery dialog focus something on its own and we must wait it is finished with it

OO-1483: implement a prewarm infrastructure to warm-up openolat caches, implement it for velocity templates, display names of users and QTI 2.1 resources

OO-1263: refactor user tools to include print, search, imprint, chat and helper, use only the off canvas menu...