Correct site publication instructions.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1618013 13f79535-47bb-0310-9956-ffa450edef68
[RAT-169] IT tests it2 and it3 don't appear to be run
These tests are really run during unit testing, but their placement in the directory structure is misleading. Move them to test/resources/unit to make it more obvious that they are resources used during unit testing.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1618014 13f79535-47bb-0310-9956-ffa450edef68