re-commit tested upto 4.0

git-svn-id: https://plugins.svn.wordpress.org/network-shared-media/trunk@989252 b8457f37-d9ea-0310-8a92-e5e31aec5664
whitespace

git-svn-id: https://plugins.svn.wordpress.org/network-shared-media/trunk@989253 b8457f37-d9ea-0310-8a92-e5e31aec5664