Ensure name attribute is emitted first (under ruby 1.9+) for components to match the output produced by IDEA

git-svn-id: https://svn.apache.org/repos/asf/buildr/trunk@1431882 13f79535-47bb-0310-9956-ffa450edef68
Remove relativePaths attribute from project descriptor as IDEA no longer generates it here

git-svn-id: https://svn.apache.org/repos/asf/buildr/trunk@1431883 13f79535-47bb-0310-9956-ffa450edef68