v0.7.1

git-svn-id: https://plugins.svn.wordpress.org/simple-share/trunk@1035400 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme

git-svn-id: https://plugins.svn.wordpress.org/simple-share/trunk@1035401 b8457f37-d9ea-0310-8a92-e5e31aec5664
some fix

git-svn-id: https://plugins.svn.wordpress.org/simple-share/trunk@1035402 b8457f37-d9ea-0310-8a92-e5e31aec5664