slight correction of the required state
Merge pull request #220 from ancafarcas/coverages

feat(coverages) - slight correction of the required state
fix(locks): allow forced unlocking

let user unlock content locked by other users

SD-563
feat(web sockets) - send heartbeat
feat(locks): push notification on lock/unlock

SD-524
feat(web sockets) - unregister disconnected clients
Merge pull request #219 from petrjasek/master

fix(locks): allow forced unlocking
Merge remote-tracking branch 'adrian/ws-heartbeat'
fix(users): hash password when updating

SD-635
Merge pull request #222 from petrjasek/master

fix(users): hash password when updating