Enable touch preference detection

-Cleanup! Lots and lots.
-Unload CalibrateTouch script after selection
--Removed the prompt variable
-Fade in the prompt
-DrawTexture in MainMenu
-Remove "as __type__" after "GetComponent(__type__)" when possible in
all files
-Add Zoom button in GUI
-Fix softlock!!!!
--If you press: Z-esc-esc-Z-esc-esc before it would keep timescale set
to 0 (that was annoying D: )