moved common css files

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@799412 b8457f37-d9ea-0310-8a92-e5e31aec5664
moved form/notices.php to lib/common/

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@799413 b8457f37-d9ea-0310-8a92-e5e31aec5664
renamed jquery classes from ngfb to sucom

git-svn-id: https://plugins.svn.wordpress.org/nextgen-facebook/trunk@799414 b8457f37-d9ea-0310-8a92-e5e31aec5664