Added patch from Tanner Moushey to fix issue where custom fields could only be unique. This allows non-unique custom fields.

git-svn-id: https://plugins.svn.wordpress.org/gravity-forms-post-updates/trunk@935099 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated stable version, and added tag.

git-svn-id: https://plugins.svn.wordpress.org/gravity-forms-post-updates/trunk@935102 b8457f37-d9ea-0310-8a92-e5e31aec5664