Merge branch 'master' into feature/stabilization
INTEG-301 Implement Indexing service and listeners

Implement Indexing service and listeners

Let the kernel manage service dependencies
INTEG-321: [Unified Search Result] Fix the prefix of Document icons
Remove bad pom file
Merge branch 'feature/stabilization'
SWF-2923 : Create pkg-improv branch and update projects versions

Signed-off-by: Arnaud Héritier <aheritier@exoplatform.com>