Bugfixes; added new options for managing Google+ authorship meta; bumped version to 2.1.4.

git-svn-id: https://plugins.svn.wordpress.org/all-in-one-seo-pack/trunk@861972 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme

git-svn-id: https://plugins.svn.wordpress.org/all-in-one-seo-pack/trunk@864255 b8457f37-d9ea-0310-8a92-e5e31aec5664