version 5.0.4

git-svn-id: https://plugins.svn.wordpress.org/geetest/trunk@1016517 b8457f37-d9ea-0310-8a92-e5e31aec5664
5.0.4

git-svn-id: https://plugins.svn.wordpress.org/geetest/trunk@1016518 b8457f37-d9ea-0310-8a92-e5e31aec5664