new free version 2.9.6 which includes better SQL to delete post_tags that shouldn't affect shared taxonomies plus better maths to report the number of noise words or tags removed when multiple tables are affected

git-svn-id: https://plugins.svn.wordpress.org/strictly-autotags/trunk@940862 b8457f37-d9ea-0310-8a92-e5e31aec5664