partial commit
Merge branch 'master' of https://github.com/claroline/CoreBundle into agenda
partial commit
Merge branch 'master' of https://github.com/claroline/CoreBundle into agenda
add datepicker (partial commit
partial commit
Unregistered user list can be sorted.
fixed date format constraint
Merge branch 'master' of https://github.com/claroline/CoreBundle into agenda

Conflicts:
	Resources/views/less/layout.less
Added missing recommendatiion and requirements
Merge pull request #187 from stefk/setting-checker

Added missing recommendatiion and requirements
Orderable interface + param converter.
Merge branch 'master' of https://github.com/claroline/CoreBundle into agenda
Workspace group registered list can be ordered/
fix layout.less
User of groups can be ordered.
List of unregistered groups of workspace cna be sorted.
checkstyle
checkstyle 2
OrderableConverter throws exception if a class does not exists.