Ensure that the directory for generated source code is added to the idea project directory

git-svn-id: https://svn.apache.org/repos/asf/buildr/trunk@1533157 13f79535-47bb-0310-9956-ffa450edef68
Add EOF EOL

git-svn-id: https://svn.apache.org/repos/asf/buildr/trunk@1533158 13f79535-47bb-0310-9956-ffa450edef68