Readme.txt Update.  Total Spam Attacks: 15,067,619

git-svn-id: https://plugins.svn.wordpress.org/spam-hammer/trunk@1053777 b8457f37-d9ea-0310-8a92-e5e31aec5664
Description update.

git-svn-id: https://plugins.svn.wordpress.org/spam-hammer/trunk@1053782 b8457f37-d9ea-0310-8a92-e5e31aec5664