Remove the foreign key to the node table for ACLs
Add canParticipate
Test autowiring
Merge JDOAccessControlListDAOImpl into DBOAccessControlListDaoImpl
Set up dedicated etags for ACLs
Add ObjectType.ENTITY to properly set the ID with the syn prefix
One more etag fix for the ACLs
Clean up test
Merge pull request #534 from eric-wu/develop

ACL DAO level refactoring for evaluation ACLs