Automatic merge from branch-5.3

* origin/branch-5.3:
  SONAR-6968 Bad error message when analyzer detects that no language plugins are installed
  SONAR-6905 Batch should dump analysis-related URL into a properties file
  fix displaying of the workspace on the overview pages
  SONAR-7030 Remove dashboards bundles
  Reactivate devcockpit in PluginsTest
  fix link to added issues from the debt overview
  respect precision of float metrics during web formatting