adding css files

git-svn-id: https://plugins.svn.wordpress.org/written/trunk@928356 b8457f37-d9ea-0310-8a92-e5e31aec5664
remove bootstrap from plugin and update to 2.4.1

git-svn-id: https://plugins.svn.wordpress.org/written/trunk@928357 b8457f37-d9ea-0310-8a92-e5e31aec5664