updated the plugin version to 2.2.0

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-moip/trunk@822296 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated the plugin version to 2.2.0

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-moip/trunk@822297 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated the plugin version to 2.2.1

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-moip/trunk@823457 b8457f37-d9ea-0310-8a92-e5e31aec5664