[+] checking ccw contour for convex with tests
[+] checking contour for ccw orientation with tests
[+] convex ccw contour contains point (with tests)
[+] visualization for "checking contour for ccw orientation"
[+] visualization for "checking ccw contour for convex"
[+] visualization for "convex ccw contour contains point"
jarvis convex hull algo
jarvis tests
jarvis vizualization
"Pulled jarvis algo"
Merge branch 'jarvis' of https://github.com/BorisMinaev/cg
Merge branch 'add-algo' of https://github.com/free0u/cg