Ported some J5 examples to spark-io
jshint cleanup
Example cleanup

Based on suggestions by @rwaldron
LED-RGB docs and fritzing diagram
Servo docs and fritzing diagram
Merge branch 'j5-examples' of https://github.com/Resseguie/spark-io

* 'j5-examples' of https://github.com/Resseguie/spark-io:
  Servo docs and fritzing diagram
  LED-RGB docs and fritzing diagram
  Example cleanup
  jshint cleanup
  Ported some J5 examples to spark-io