findService cache false option update

- User data and User Pref removed
- findService updated to query on connected devices for live service, requires setting filter:{zoneId:[zone_name],cache:false}
Sync not entity sending message during sync
RPC raises errorCB when result is empty

- If service result is empty, it returns errorCB
- RPC can now raise errorCB if defined

Jira Issue: WP-1221
Merge pull request #43 from habibvirji/WP-1221-pzhFunctionalityFixes

Wp 1221 pzh functionality fixes
Fix regexp for policy management

Jira-issue: WP-1219
Merge pull request #44 from aldafu/WP-1219-really-fix-regexp

Fix regexp for policy management
Merge pull request #45 from habibvirji/WP-1221-pzhFunctionalityFixes

RPC raises errorCB when result is empty