SPI protocol MSP430 versions

Bitbang, USCI and eUSCI versions

For those systems:

* noForth, With examples, WS2812 driver, OLED, Flash memory, etc.

Micro Launchpad als node-1 sm
Micro Launchpad with MSP430G2553 talks to a 24L01P via SPI

eUSCI SPI OLED & Flash driver (implementing the NOF file system)

using eUSCI SPI to implement a WS2812 LED driver from 1 to 2000 leds