grails-plugins/grails-paypal — pull request #7 by rgahagan (2013-08-21 04:52:35+00:00)
Title: Turning off hibernate mapping auto-import

Payment is a very generic domain name, which would easily conflict with many project's existing structure (it did with mine). Explicitly requiring references to use the full package and class would make for more deliberate code and alleviate the aforementioned conflict.