LDEV-1947 Editing a competence title now not allowed to change to an existing title or blank, however having trouble making alert appear on on top of the CompetenceDefinitionDialog, so temporary solution is to close the CompetenceDefinitionDialog dialog and have alert appear over CompetenceEditorDialog
LDEV-1606: Deploying classes both in tool's JAR and WAR files led to duplicate imports while trying to make Core Session Facory to be aware of tools' classes. Classes are not deployed in WAR files anymore, since they are not needed. Core Session Factory gets mappings of all the deployed tools.