Merge changes I8f2a44e8,I1e483f2a,Ie2473ea0,I1abb5025,I796bc731, ...

* changes:
  mysql-connector-java to mariadb-java-client change
  UserRolesController up + tests
  WidgetsController test coverage up
  Tests coverage up and some minor bug fixes
  Tests coverage up and some minor bug fixes
  WidgetsCatalogControllerTest up
  docker-compose fix
  WidgetMSController and WebAnalyticsExtAppVersionController Up
  Login fix
  pom.xml fix