* updated readme

git-svn-id: https://plugins.svn.wordpress.org/bitcoin-charts-widget/trunk@1025197 b8457f37-d9ea-0310-8a92-e5e31aec5664
* updated readme

git-svn-id: https://plugins.svn.wordpress.org/bitcoin-charts-widget/trunk@1025198 b8457f37-d9ea-0310-8a92-e5e31aec5664