Removed unused import, add license statement, link for pyfirmata
updated, and modified the code to follow pep8
License statement added, unused import removed, and updated to match
pep8
License statement added and updated to get closer to pep8
License statement added and updated the code that it the file is
more similar to facetrack.py
Merge branch 'develop' into examples-license

Conflicts:
	SimpleCV/examples/arduino/CannyStream-arduino.py
	SimpleCV/examples/detection/face-substition.py
	SimpleCV/examples/detection/facetrack.py
	SimpleCV/examples/detection/x-ray.py
Too much removed during merge
Merge pull request #548 from fabaff/examples-license

Examples license