Fixing readme formatting

git-svn-id: https://plugins.svn.wordpress.org/table-rate-shipping-for-woocommerce/trunk@1051726 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixing readme formatting

git-svn-id: https://plugins.svn.wordpress.org/table-rate-shipping-for-woocommerce/trunk@1051731 b8457f37-d9ea-0310-8a92-e5e31aec5664