Import Debian changes 0.5-2

runescape (0.5-2) unstable; urgency=medium

  * Using new DH level format. Consequently:
    - debian/compat: removed.
      debian/control: changed from 'debhelper' to 'debhelper-compat' in
      Build-Depends field and bumped level to 12.
  * debian/control:
      Bumped Standards-Version to 4.4.0.