replaced 'device_orientation' with 'status_bar_orientation' for
detecting orientation of device when rotating, translating touch
coordinates, and swiping.

KNOWN ISSUES:  swiping is broken for any orientation other than
portrait with the home button down.  this is an unrelated bug that was
discovered during testing.
Merge pull request #232 from jmoody/0.9.x-use-status-bar-orientation-for-rotation

replaced 'device_orientation' with 'status_bar_orientation' for detecting orientation of device when rotating, translating touch coordinates, and swiping.