upgrade 1.2.4

git-svn-id: https://plugins.svn.wordpress.org/optin-revolution/trunk@756484 b8457f37-d9ea-0310-8a92-e5e31aec5664
upgrade 1.2.4

git-svn-id: https://plugins.svn.wordpress.org/optin-revolution/trunk@756485 b8457f37-d9ea-0310-8a92-e5e31aec5664