Uploading v2.1.2.

git-svn-id: https://plugins.svn.wordpress.org/admin-page-framework/trunk@797925 b8457f37-d9ea-0310-8a92-e5e31aec5664
Marking 2.1.2 as stable.

git-svn-id: https://plugins.svn.wordpress.org/admin-page-framework/trunk@797927 b8457f37-d9ea-0310-8a92-e5e31aec5664