fix for cf7

git-svn-id: https://plugins.svn.wordpress.org/are-you-a-human/trunk@969816 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into feature/wp-members
Added a proper check to make sure we only expect PlayThru on a registration or password reset.