#671 File Manager -> Files context menu updated to support access control security.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
Module registration objects should be registered as singletons.
#642 Fixed save/update listeners: checking security only for dirty entities
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#673 Roles search by description implemented.
Fixed getting of sitemap nodes.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev