Spark Bedaub v4 (Particle Spark Core Cover)

A cover for the Spark Core that protects and adds functionality.
* Protect against ESD (Electrostatic Discharge)
* T-shaped button allows one finger operation of DFU mode and factory reset.
* Supports chip antenna or uFL connector Spark Cores
* Diffuses RGB LED with a cool hidden Spark Logo
* This is v4, but and it's time to release to everyone. Please give it a print and let me know what improvements you'd like to see!