Update to 1.5 and address review commentary
    
    - Address review commentary https://bugzilla.redhat.com/show_bug.cgi?id=226569
    - Update to 1.5, solving license issue.  This adds a few new files and
      requires a pkgconfig dependency.
    - Add dependency on xml-common to fix unowned directory issue.
    - Remove some bits (buildroot tag and cleaning) no longer required in
      Fedora.