update settings.php

git-svn-id: https://plugins.svn.wordpress.org/no-captcha-recaptcha/trunk@1042400 b8457f37-d9ea-0310-8a92-e5e31aec5664
update trunk

git-svn-id: https://plugins.svn.wordpress.org/no-captcha-recaptcha/trunk@1042401 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme.txt 5

git-svn-id: https://plugins.svn.wordpress.org/no-captcha-recaptcha/trunk@1042403 b8457f37-d9ea-0310-8a92-e5e31aec5664