WPRE releasing 4.4

git-svn-id: https://plugins.svn.wordpress.org/wprealestate/trunk@991752 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme updated

git-svn-id: https://plugins.svn.wordpress.org/wprealestate/trunk@991756 b8457f37-d9ea-0310-8a92-e5e31aec5664