GRADLE-3149
Adding support for the property 'configfailurepolicy' in useTestNG(). Added default behavior to test case.
Merge branch 'master' of https://github.com/malibuworkcrew/gradle
Add integration coverage for TestNG configfailurepolicy option support.
Mention Spencer Wood as a contributor.

+review REVIEW-5274
Merge branch 'master' of github.com:gradle/gradle