Initial commit.

merge of several sample code bases:
 https://www.sparkfun.com/tutorials/348
 http://abottravel.blogspot.com/2011/12/how-to-read-rc-radio-signals-with.html
 http://www.instructables.com/id/A-Wirelessly-Controlled-Arduino-Powered-Message-B/step6/Useful-Code-Explained-Clearing-a-Serial-Terminal/
Merge branch 'master' of github.com:wyattearp/hallowduino