Updated FAQ on readme 

git-svn-id: https://plugins.svn.wordpress.org/bitcoin-ticker-widget/trunk@778336 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated FAQ on readme 

git-svn-id: https://plugins.svn.wordpress.org/bitcoin-ticker-widget/trunk@778338 b8457f37-d9ea-0310-8a92-e5e31aec5664