New PermissionPolicy implementation granting permission when there exists a path to GRANT unblocked by a DENY.
Discussed at http://www.ja-sig.org/wiki/display/GAP/Permission+Policies
New PermissionPolicy implementation granting permission when there exists a path to GRANT unblocked by a DENY.
Discussed at http://www.ja-sig.org/wiki/display/GAP/Permission+Policies