Moved testimonials to reviews tab.

git-svn-id: https://plugins.svn.wordpress.org/spam-hammer/trunk@1035670 b8457f37-d9ea-0310-8a92-e5e31aec5664
Readme title change.

git-svn-id: https://plugins.svn.wordpress.org/spam-hammer/trunk@1035672 b8457f37-d9ea-0310-8a92-e5e31aec5664