!.5.3 with bug fixes and new features

git-svn-id: https://plugins.svn.wordpress.org/sharify/trunk@1036120 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.5.3 with contributor name fix

git-svn-id: https://plugins.svn.wordpress.org/sharify/trunk@1036123 b8457f37-d9ea-0310-8a92-e5e31aec5664