updating dev branch

git-svn-id: https://plugins.svn.wordpress.org/media-vault/branches/dev@857907 b8457f37-d9ea-0310-8a92-e5e31aec5664
updating dev version

git-svn-id: https://plugins.svn.wordpress.org/media-vault/branches/dev@860314 b8457f37-d9ea-0310-8a92-e5e31aec5664