Started cleaning up modules - introduced a 'lang' module for shared functionality.  This might even make its way back into core - just flushing out things at the moment.

git-svn-id: https://svn.apache.org/repos/asf/shiro/trunk@1481465 13f79535-47bb-0310-9956-ffa450edef68
Started cleaning up modules - introduced a 'lang' module for shared functionality.  This might even make its way back into core - just flushing out things at the moment.

git-svn-id: https://svn.apache.org/repos/asf/shiro/trunk@1481466 13f79535-47bb-0310-9956-ffa450edef68