Adding basic GrovePi components

**Pet robot**
LED output
Sensor Package
Facial recognition
User inferface (web or app)
Text / email messaging
Movement / chassis
Custom 3D printed electronics housing

http://www.thingiverse.com/thing:624084
http://www.thingiverse.com/thing:613083

2 more GrovePi's: http://www.dexterindustries.com/shop/grovepi-board/
HDMI to VGA adatper (low priority)
Treds: http://www.amazon.com/dp/B01428VFBS/ref=wl_it_dp_o_pC_nS_ttl

Package management: http://nvie.com/posts/better-package-management/
    http://www.fullstackpython.com/application-dependencies.html
Flask Python Framework
CAD for RaspberryPi case
How can we connect to an MCU?
Google Vision Platform
Wiring relays

http://ide.c9.io
GrovePi
RaspberryPi 2
pistreaming

Quad-copter frame: 
    http://www2.warwick.ac.uk/fac/sci/eng/meng/wmr/projects/autonomousuav/poster_design_final.pdf
    https://www.raspberrypi.org/magpi-issues/MagPi19.pdf
GPS positioning