added combo box for storing locations (not implemented)
convexity defects drawn, with lines connecting the midpoints of the hull to most distant point. Unsure about accuracy due to environment where I am now
Merge branch 'master' of github.com:on2valhalla/GestureTrainer into gui
Merge branch 'master' of github.com:on2valhalla/GestureTrainer
Merge branch 'gui'

Convexity defects drawn