LL-207
* implemented/enhanced serv op cloudPublishService with respect to local and remote deployment of a service; currently service deployment works with collection serv
* extending serv op entityGet to query with label and entity type
* adding serv op entityExists
* adding serv op authLoadKeys (to cache db user keys on startup)
* allowing auth serv to initAtStartUp
* moved auth serv key caching to db and bug-fixed key generation
* added transactions to auth serv