Fix non-retina iPad simulation in iOS7
Fix non-retina iPad simulation in iOS7

Allow to start the simulator with a non-retina iPad with iOS7

merged #133

katsuyoshi/RubyMotion,incbee/RubyMotion,beni55/RubyMotion,katsuyoshi/RubyMotion,beni55/RubyMotion,jjaffeux/RubyMotion,jjaffeux/RubyMotion,jjaffeux/RubyMotion,hboon/RubyMotion,hboon/RubyMotion,incbee/RubyMotion,HipByte/RubyMotion,incbee/RubyMotion,hboon/RubyMotion,beni55/RubyMotion,beni55/RubyMotion,katsuyoshi/RubyMotion,incbee/RubyMotion,katsuyoshi/RubyMotion,HipByte/RubyMotion,HipByte/RubyMotion,jjaffeux/RubyMotion