2.5.1 - API: Added a filter `gf_salesforce_enterprise` to use the Enterprise Client instead of the Partner client. Thanks, [@sc0ttkclark](https://github.com/sc0ttkclark)

git-svn-id: https://plugins.svn.wordpress.org/gravity-forms-salesforce/trunk@834686 b8457f37-d9ea-0310-8a92-e5e31aec5664