added some images to test image recognition against for paths and files to test out canny_edge_detection and corner_harris
Added some Image Recognition python files to test out different algorithms.
Merge branch 'user/cevans87' into user/furynolo
Delete sift_keypoints.jpg
Delete pipe3.jpg
Delete pipe1.jpg
Delete pipe2.jpg
modified Path demo projects to not do everything globally, modified crystal_ball.py to run hsv slider on stream of images
Merge branch 'user/furynolo' of https://github.com/PalouseRobosub/robosub into user/furynolo
Merge branch 'user/cevans87' into user/furynolo
Merge branch 'user/furynolo' of https://github.com/PalouseRobosub/robosub into user/furynolo

Merging to clean up remote.
With this commit and merge I have done several things. The old path modules have been pushed into a directory a level down called "deprecated". These might serve as useful examples later. I also re-changed the channel address back to 127.0.0.1.