SONAR-5923 A project admin user cannot delete a project
[maven-release-plugin] prepare release 5.0-RC1
[maven-release-plugin] prepare for next development iteration
Remove unused ruby files (issues2 MVC)
Automatic merge from branch-5.0

* origin/branch-5.0:
  Remove unused ruby files (issues2 MVC)
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release 5.0-RC1
  SONAR-5923 A project admin user cannot delete a project