SONAR-5849 Extract logic from ProjectReferentialsAction to ProjectReferentialsLoader
SONAR-5849 Performance issue of Project Referentials WS for project with many modules
Automatic merge from branch-5.0

* origin/branch-5.0:
  SONAR-5849 Performance issue of Project Referentials WS for project with many modules
  SONAR-5849 Extract logic from ProjectReferentialsAction to ProjectReferentialsLoader