Moved WS2801_Soft into main sketch

class files are now part of the Kinetic_Interactive_Display project
Shift Stepper Class

-Implemented a Shift Stepper class that handles the shifting out of data
to the shift registers.  Supports 1, 3, or 6 strings of 9.  Very similar
to the Adafruit ws2801 library
-changed the ws2801 library to a class located within the sketch
-Added a board and index LUT in Output.h to decode the board chains into
xy coordinates
-