fixed deactivation hook

git-svn-id: https://plugins.svn.wordpress.org/taxonomy-filter/trunk@1040237 b8457f37-d9ea-0310-8a92-e5e31aec5664
added index.php

git-svn-id: https://plugins.svn.wordpress.org/taxonomy-filter/trunk@1040238 b8457f37-d9ea-0310-8a92-e5e31aec5664