center and circumradius triangle added
double click event added && simple draw line implement
patch for visualizator -- draw triangle added
patch for visualizator -- draw circle added
triangle center -> circumcenter fix
delaunay.h init
vertex, edge, face init
contains added
init() cell added
get_triangles added
find_faces added
min_max_ep added
get edge chain added
add_face added
add_edge added, fix bug in get_first_edge
init triangulation fixed
done, but predicat is bad