added: support for white labelling.

git-svn-id: https://plugins.svn.wordpress.org/worpit-admin-dashboard-plugin/trunk@857161 b8457f37-d9ea-0310-8a92-e5e31aec5664
fix some text

git-svn-id: https://plugins.svn.wordpress.org/worpit-admin-dashboard-plugin/trunk@857164 b8457f37-d9ea-0310-8a92-e5e31aec5664