v1.0.4 in trunk

git-svn-id: https://plugins.svn.wordpress.org/jstat/trunk@952222 b8457f37-d9ea-0310-8a92-e5e31aec5664
remove flot

git-svn-id: https://plugins.svn.wordpress.org/jstat/trunk@952223 b8457f37-d9ea-0310-8a92-e5e31aec5664