Added support for Event Espresso 3 though the Gateway add-on

git-svn-id: https://plugins.svn.wordpress.org/mycred/trunk@750099 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated title methods.

git-svn-id: https://plugins.svn.wordpress.org/mycred/trunk@750110 b8457f37-d9ea-0310-8a92-e5e31aec5664