RAT-168 Tests don't check CLI usage
Added basic test to check rat goal

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1617255 13f79535-47bb-0310-9956-ffa450edef68
assertions are not related to RAT-168

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1617257 13f79535-47bb-0310-9956-ffa450edef68