Upgrade to Symfony 2.3 (#4)
Adapted custom validators to the new api
Updated dependencies
Upgrade with a temporary switch to a TwigJsBundle fork
Modified installation script to allow interactive building of parameters.yml
Adapted annotations to new api
Upgrade to 2.3.1 (doesn't require lib-icu)
Take non-portability of pcntl functions into account
Merge branch 'master' of https://github.com/claroline/Claroline into upgrade-to-2.3
Get back to original TwigJsBundle repo
Removed calls to deprecated 'getEntityManager'
Removed calls to deprecated 'bindRequest'
Submodule update
Adapted DQL to new CONCAT function signature
Adapted css selector syntax
Fixed css selectors
Removed calls to deprecated HttpKernel::forward
Temporarily fixed resource import
Merge branch 'master' of https://github.com/claroline/Claroline into upgrade-to-2.3

Conflicts:
	composer.lock
Removed calls to deprecated 'Form::bind'