Move access control source to it's own directory.
Add some generics typing
Removed the release ant token from all files in 'src'.
release
Replacing MetaCatUtil.debugMessage or MetaCatUtil.logMetacat call with logMetacat (private Logger object) call
Replacing debugMessage with log4j methods for logging
Implement clone method.
Add copy object method.
A new class represents access rules, include principles, permissions.