Updated screenshots descriptions

git-svn-id: https://plugins.svn.wordpress.org/gravity-forms-braintree/trunk@952808 b8457f37-d9ea-0310-8a92-e5e31aec5664
Uptick to 1.1.2

git-svn-id: https://plugins.svn.wordpress.org/gravity-forms-braintree/trunk@952810 b8457f37-d9ea-0310-8a92-e5e31aec5664