eGalax touchscreen calibration

[Markamc]

http://pastebin.com/gp383gEd

Here's the link to the modified patch I did, basically removing the MouseStat.cpp patches and commenting out approx five lines from the LinuxInputDevices.cpp section as described above.

I am currently uploading an image, it works with "double click" on my egalax screen on 12.2 xbianalpha5; there are some issues with the image, i needed to recover my SDcard after corruption.