Added JSON Config cmds
Update README.md
Making ledscape use interrupts for waiting.

This allows LEDscape to not use 100% CPU

From https://github.com/mikelikespie/LEDscape/commit/64311c1a497435f8d40faa362e7078358cf7e261 by mikelikespie

Conflicts:
	ledscape.c
	ws281x.p
re-enable compiling libledscape.a
Merge pull request #9 from dbu/compile-lib

re-enable compiling libledscape.a
Merge branch 'pru-program-generation' of github.com:Yona-Appletree/LEDscape into pru-program-generation
Merge branch 'master' into pru-program-generation

Conflicts:
	Makefile
Issue #16 - Adding a "black" demo mode
Updating PRU library to latest version; adding support for PRU interrupt-driven waits, reducing CPU usage.