WordPress 4.0 compatibility and github commits for color picker issue

git-svn-id: https://plugins.svn.wordpress.org/all-in-one-schemaorg-rich-snippets/trunk@990800 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme and tagged new version 1.2.0

git-svn-id: https://plugins.svn.wordpress.org/all-in-one-schemaorg-rich-snippets/trunk@990801 b8457f37-d9ea-0310-8a92-e5e31aec5664