* Fixed : Show front item on Admin bar settings.
* Updated: Get the user role if in Multisite.
* Updated: Four levels of sub menu settings on Admin Bar settings.
* Added: Group settings on Admin Bar settings.
* Fixed: Error avoid as much max_input_vars of PHP on Admin Bar settings.
* Updated: Compatible to Admin theme mp6.

git-svn-id: https://plugins.svn.wordpress.org/wp-admin-ui-customize/trunk@800869 b8457f37-d9ea-0310-8a92-e5e31aec5664