Update to 1.0.4

git-svn-id: https://plugins.svn.wordpress.org/wp-google-authenticator/trunk@845034 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update the FAQ

git-svn-id: https://plugins.svn.wordpress.org/wp-google-authenticator/trunk@845036 b8457f37-d9ea-0310-8a92-e5e31aec5664