Made compatible with WordPress 4.1

git-svn-id: https://plugins.svn.wordpress.org/anspress-question-answer/trunk@1050227 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated read me

git-svn-id: https://plugins.svn.wordpress.org/anspress-question-answer/trunk@1050229 b8457f37-d9ea-0310-8a92-e5e31aec5664