Fix autofire for certain devices & add for touchscreen.
Fix autofire for certain devices & add for touchscreen.

-Change from key repeat to TimerTask/Timer.
  -Eliminate long press issue.
  -Fix issue found on G1 where key repeat didn't occur.
-Boolean for autofire firing to avoid Dpad/touchscreen overlap.

Also:
-Remove commented zoom code, expect much different zoom code later.

pilot51/cannon