update to readme.txt no version change

git-svn-id: https://plugins.svn.wordpress.org/blunt-ga/trunk@759338 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.txt change, no version update, I'll get the screenshots showing in the right order if it kills me.

git-svn-id: https://plugins.svn.wordpress.org/blunt-ga/trunk@759340 b8457f37-d9ea-0310-8a92-e5e31aec5664