ACCUMULO-1595 Remove MLock.java
ACCUMULO-802 added the proper namespace locks during table fate operations
ACCUMULO-802 added test to make sure tables that are moved to a new namespace change their parent properties, currently fails
ACCUMULO-1644 Remove unused code
Merge remote-tracking branch 'wisellama/ACCUMULO-802' into ACCUMULO-802
Merge remote-tracking branch 'asf/master' into ACCUMULO-802