* updating readme.txt

git-svn-id: https://plugins.svn.wordpress.org/google-web-fonts-customizer-gwfc/trunk@874234 b8457f37-d9ea-0310-8a92-e5e31aec5664
* updating gwfc.php

git-svn-id: https://plugins.svn.wordpress.org/google-web-fonts-customizer-gwfc/trunk@874237 b8457f37-d9ea-0310-8a92-e5e31aec5664