ACCUMULO-802 fixed problem when cloning a table, its namespace properties are excluded but those could conflict with explicitly set properties
ACCUMULO-1479 implemented most of Table Namespace Permissions, doesnt entirely work, not well tested
ACCUMULO-1479 fixed minor problems that caused tests to fail, permissions still not fully implemented
ACCUMULO-1479 finished initial implementation of table namespace permissions, including tests
ACCUMULO-1479 added table namespaces permission check to RandomWalk
ACCUMULO-1479 added namespace permissions to the zookeeper upgrade part of Master
ACCUMULO-802 minor fixes of variables that got clobbered in rebase