Fixes #3576 backport :  datepicker localized in english
Merge pull request #206 from VinceMacBuche/bug_3576/backport_3425

Fixes #3576 backport :  datepicker localized in english
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5

Conflicts:
	rudder-core/src/main/scala/com/normation/rudder/domain/queries/CmdbQuery.scala
Merge branch 'branches/rudder/2.5' into branches/rudder/2.6

Conflicts:
	rudder-core/src/main/scala/com/normation/rudder/domain/queries/CmdbQuery.scala
	rudder-web/src/main/scala/com/normation/rudder/web/model/DirectiveFieldEditors.scala