first changes to README.md
Update README.md

section: hardware setup
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
added hello world examples
Update README.md
Update buildipk.sh
Update helloWorld.cpp
Renamed libpixel to libneopixel in build process