Remove include guards from implementation.  Those belong on headers, not
implementation files.
Fixup white-space and brackets for cleanliness.
Make the FastSPI printf the same as the others.
Initial hacked up GECE code.

* Requires the GEColorEffects library from:
  http://www.digitalmisery.com/2011/11/ge-color-effects-arduino-library/
* Mostly copied from the Adafruit 2801 implementation

* Note that this hasn't been tested in any way shape or form.  It was
  copy/pasted, and built.  That is it.
* TODOL update code to only send GECE commands for pixels that have
  changed like Joe's (joej85 from DIYC) implemtation per:
  http://doityourselfchristmas.com/forums/showthread.php?22062-New-High-Speed-Wireless-GE-Color-Effects-Controller-RFColor2_4
Updates to the GECE code which is now (briefly) tested:

* clear/set interrupts before/after writing to GECEs
* Store colors in byte sizes and pack to GECE structure only when
  writing out to the GECEs so code re-use is more (for later
  restructuring of all RFPixelControl code)
* Tested using the rainbow pattern using the TestRFTransmitter sketch
* Remove unnecessary (and yet unimplemented) constructor from
  GECEPixelControl class
Merged GECEReceiver example from Materdaddy

Included in this is some cleanup of the TestTransmitter and other
general cleanup.