Bug 870739 - Polishing multi-resolution support
  * Progress bars issues resolved
  * Extra space at bottom dialer tab removed
  * Video app scaling issues fixed
  * Missing bluetooth phone/pda icon fixed
  * Network activity icons now scale up correctly
  * Lockscreen unlock icon re-do (it was bigger than normal)
  * Re-ordered responsive.css file to avoid having impact in application first paint
  * style_unstable/scrolling.css now supports different devices ratio
  * Contacts scrolling @2x icons fix
  * Added missed @2x assets