Updated to 2.4

git-svn-id: https://plugins.svn.wordpress.org/stageshow/trunk@822376 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated help file

git-svn-id: https://plugins.svn.wordpress.org/stageshow/trunk@824186 b8457f37-d9ea-0310-8a92-e5e31aec5664