0.9.8.1 fixing post-submit redirect for sub-directory blogs

git-svn-id: https://plugins.svn.wordpress.org/proper-contact-form/trunk@906312 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixing readme.txt

git-svn-id: https://plugins.svn.wordpress.org/proper-contact-form/trunk@906313 b8457f37-d9ea-0310-8a92-e5e31aec5664