Move all add/remove methods working with table authz to AuthzResolver

- all methods stay in BlImpl and will call methods from AuthzResolverBl
- after removing/add info to table authz use refreshAuthz method
- rework admin methods for GroupsManager, VoManager and FacilityManager
- move all part of code adding or removing something to/from table authz
Add synchronization of refreshAuthz in AuthzResolverBlImpl
Merge pull request #203 from stavamichal/Move-all-add-remove-methods-working-with-authz-to-AuthzResolver

Move all add/remove methods working with table authz to AuthzResolver

- All methods stay in BlImpl and will call methods from AuthzResolverBl.
- After removing/add info to table authz use refreshAuthz method.
- Rework admin methods for GroupsManager, VoManager and FacilityManager.
- Move all part of code adding or removing something to/from table authz.

Add synchronization of refreshAuthz in AuthzResolverBlImpl