#JC-1144:Unit tests and documentation for PluginHandlerMapping
#JC-1144:Added package infos
#JC-1144:Documentation for JodaDateTimeTool and PermissionTool
#JC-1144:Removed question.jsp and apropriate controller method
#JC-1144:Possibility to update web plugins "on the fly":
*Before resolving handler plugins will be updated and new handlers will be mapped. It may reduce performance but prevents errors with update plugin version