Update InputAPI.cpp

Expose TouchState lastPosition to script
Create Touch.lua

Adding a touch/gyroscope framework for mobile to example #18
Adding touch inputs/gyroscope via external file
Touch/gyroscope framework for mobile via external file
Adding mobile framework implemented via an external file
Merge remote-tracking branch 'remotes/mike3d/master'
Added contributor.
Fixed location of Touch.as.
Travis CI: API documentation update at 2014-01-23 10:32:31 UTC.
[ci skip]
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Readme.txt