Fixed bug with validating securi captcha.

git-svn-id: https://plugins.svn.wordpress.org/a-forms/trunk@785070 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed up referrer url in tracking.

git-svn-id: https://plugins.svn.wordpress.org/a-forms/trunk@787391 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated messaging for options in admin.

git-svn-id: https://plugins.svn.wordpress.org/a-forms/trunk@787417 b8457f37-d9ea-0310-8a92-e5e31aec5664