Add cvar cl_nodegraph_drop_node_to_ground, this is node drop to ground.
Add cvar cl_nodegraph_hull, which sets the hull to edit.
Add cvar r_nodegraph_draw_hull_box, this will show the hitbox for the selected hull.
Add ability to edit links per hull.
Add hull (simple) check link.
Changed to correctly calculate node offsets.

Add (simple) support for links of Climb-node and Fly-node.
Add r_nodegraph_drawlinks mode, 2 is any width line. (1 pixel line mode was change to 3)
Add r_nodegraph_drawlink_width cvar, width of link line. (Only if r_nodegraph_drawlinks is 1 or 2)