SONAR-4069 Metrics should be instanciated once per batch
  * my previous revert was not complete
SONAR-2501 Do nothing when adding a test cover if test does not exist
SONAR-2501 Do notAdd unit test
SONAR-2501 Complete unit test
SONAR-3992 Improve Quality Profile Alert design
SONAR-4069 Refactoring to fix issues with ProjectBuilder
SONAR-4003 Improve "Action Plans" widget: display or not closed reviews

=> Make the "Action Plans" widget support a new option to display or 
   not the closed reviews in each action plan