to trunk 1.2.0

git-svn-id: https://plugins.svn.wordpress.org/wp-header-footer/trunk@1046738 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated stable tag to 1.2.0

git-svn-id: https://plugins.svn.wordpress.org/wp-header-footer/trunk@1046740 b8457f37-d9ea-0310-8a92-e5e31aec5664