debug in flip tri
Merge branch 'master' of https://github.com/bxdpxndx/geocomp-lab2

Conflicts:
	build/delaunay.js
	src/delaunay.coffee
merege done
big bugs and mistakes fixed
better but problems to find neighborus
minor changes
Alingments
initial halfedges working:
creating the supertriangle works, edges are properly linked.
Merge branch 'master' of https://github.com/bxdpxndx/geocomp-lab2

Conflicts:
	build/delaunay.js
	src/circle.coffee
	src/delaunay.coffee
	src/triangle.coffee