Updated readme.txt.

git-svn-id: https://plugins.svn.wordpress.org/better-font-awesome/trunk@914908 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme.txt

git-svn-id: https://plugins.svn.wordpress.org/better-font-awesome/trunk@914910 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme.txt

git-svn-id: https://plugins.svn.wordpress.org/better-font-awesome/trunk@914911 b8457f37-d9ea-0310-8a92-e5e31aec5664