Cycles through colors set in a buffer when the user button is pressed.

Dependencies:   PixelArray WS2812 mbed

Revision:
0:d258c72c1ae2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WS2812.lib	Sat Mar 11 22:07:13 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/bridadan/code/WS2812/#6e647820f587