moved collUserShareWithUser in op entityUserShare to coll service
* added entity types qaEntry, discEntry and chatEntry
* using SSEntityE instead of SSDiscE
* adding circle management to op discUserEntryAdd
* bug-fix SSEntityUserEntityUsersGetRet
* renamed vocURIGet to vocURICreate
* using vocURICreate for disc serv now
Merge remote-tracking branch 'remotes/origin/discNewImpl'