fixing bugs

git-svn-id: https://plugins.svn.wordpress.org/share-me/trunk@1038726 b8457f37-d9ea-0310-8a92-e5e31aec5664
changing logo style

git-svn-id: https://plugins.svn.wordpress.org/share-me/trunk@1038728 b8457f37-d9ea-0310-8a92-e5e31aec5664