add empty interface for backwards compat
change project url
Merge pull request #230 from pedroigor/master

[PLINK-313] - Error when parsing the Value attribute of the Option element.
PLINK-268 simplification, replaced @PermissionAssignee with @OwnerReference
PLINK-268 implement PermissionOperationSet
PLINK-268 update permission tests with latest changes
PLINK-268 fix configuration support for permissions
PLINK-268 minor bug fixes, simple permission grant test case now works
PLINK-268 implement EntityPermissionHandler.getIdentifier
PLINK-268 simplify user-facing permissions API
PLINK-268 implement revokePermission
PLINK-268 implement JPAIdentityStore.listPermissions for resource permission query
PLINK-268 PermissionOperationSet should introspect resource class annotations, not the entity class
PLINK-268 implemented revokeAllPermissions()
PLINK-268 implemented overloaded listPermissions() methods
PLINK-268 simplify permissions API, removed redundant methods
PLINK-268 refactored Permission into interface, added default implementation, finished implementing JPAIdentityStore methods
PLINK-268 minor fix
fix the source plugin
PLINK-341: SP abstract logic