Background images

git-svn-id: https://plugins.svn.wordpress.org/site-launcher/trunk@998281 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tagging v 0.9.0

git-svn-id: https://plugins.svn.wordpress.org/site-launcher/trunk@998282 b8457f37-d9ea-0310-8a92-e5e31aec5664