Internal VCS integration.

git-svn-id: https://plugins.svn.wordpress.org/secondary-title/trunk@862306 b8457f37-d9ea-0310-8a92-e5e31aec5664
Major changes, screenshots, FAQ, parameters.

git-svn-id: https://plugins.svn.wordpress.org/secondary-title/trunk@863173 b8457f37-d9ea-0310-8a92-e5e31aec5664
Major changes, screenshots, FAQ, parameters.

git-svn-id: https://plugins.svn.wordpress.org/secondary-title/trunk@863181 b8457f37-d9ea-0310-8a92-e5e31aec5664