3.7 update, security fixes and other misc.

git-svn-id: https://plugins.svn.wordpress.org/design-approval-system/trunk@768371 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme fix

git-svn-id: https://plugins.svn.wordpress.org/design-approval-system/trunk@768373 b8457f37-d9ea-0310-8a92-e5e31aec5664