Fix for: user creation should add a unique numeric identifier to the user.

See:
https://github.com/georchestra/georchestra/issues/573
Add unique number when creating groups.  default is ou

See https://github.com/georchestra/georchestra/issues/614
Merge pull request #618 from jesseeichar/addUniqueNumbericValueForUser_573

Fix for: user creation should add a unique numeric identifier to the user
Merge branch '14.01'
update to latest geofence with a critical bug fix
Update GN submodule.
Another fix for cast exception in geofence
Update Geofence module: Cache searches for 500ms when reading ids from database in updateUserId method in LDAP DAO.
added some timing.
geofence: Attempt to add metrics that measure time taken to load entities from ldap and database.
geofence: attempt to fix the configuration of metrics registration and http access to them.
geofence: Another attempt to get metrics wired up.
geofence: Moved metrics to geofence webapp (had it in GS webapp)
geofence: added more timers for metrics
geofence: Adding caching to the most expensive part of the code found so far. added more timers for metrics
geofence: addDebugInfo
geofence: manual filtering of all results. and caching all results.
geofence: fix compile error
geofence: fix java 7 dependency
geofence: Increase Cache time and add meter to cache to track how often the cache is refreshed.