2.4 - quick add feature and small bug fixes

git-svn-id: https://plugins.svn.wordpress.org/thirstyaffiliates/trunk@856064 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixing readme.txt

git-svn-id: https://plugins.svn.wordpress.org/thirstyaffiliates/trunk@856071 b8457f37-d9ea-0310-8a92-e5e31aec5664