Add instructions for MJPG-streamer
Add step-by-step instructions for setting up MJPG-streamer and what logs (via te web interface?) to seach when trouble shooting. Links to http://www.ideasonboard.org/uvc/ and https://en.wikipedia.org/wiki/List_of_USB_video_class_devices might come in handy.
By adding this, users can first easily look up if their webcam is supported or which webcam to acquire that is supported. Subsequently, the user can configure the camera with more ease. And, additionally, more efficiently find what might be wrong if the camera is not working and how to solve it.