return "no sessions" when a tags store is not available
Merge branch 'marknovozhilov/SEARCHBUG' into TagsExceptionOnOldDB
type added to empty list
Merge pull request #471 from dlatnikov/TagsExceptionOnOldDB

Tags exception on old db
[maven-release-plugin] prepare release parent-1.2.4
[maven-release-plugin] prepare for next development iteration
Set @Required for databaseService properties. Add nodeInfo fetcher
Merge changes from master