fixed facebook and twitter box version numbers

git-svn-id: https://plugins.svn.wordpress.org/grid/trunk@1056765 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme version number

git-svn-id: https://plugins.svn.wordpress.org/grid/trunk@1056766 b8457f37-d9ea-0310-8a92-e5e31aec5664