adds support for touching the iPad 1X/2X button
added 0.9.169 changelog with details about iPad 1X/2X
bumped gem version to 0.9.168.pre1
Merge pull request #321 from jmoody/feat/0.9.x-touching-ipad-1x-2x-buttons

adds support for touching the 1X/2X button that appears when emulating iPhone apps on the iPad