Porting arduino packages and customizations into dedicated "packages" repository
Create README.md
Update README.md
Update README.md
Adding node.js and node-serialport. Many thanks to:
 - fibasile: http://fibasile.github.io/compiling-nodejs-for-arduino-yun.html
 - Zysen: https://github.com/paul99/v8m-rb/pull/19#issuecomment-34929489
YunWebUI: releasing 1.2.1 (bugfix release)