delete everything npow

git-svn-id: https://plugins.svn.wordpress.org/effective-spambot-stopping/trunk@905515 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme now it

git-svn-id: https://plugins.svn.wordpress.org/effective-spambot-stopping/trunk@905516 b8457f37-d9ea-0310-8a92-e5e31aec5664