reset filename when invoking op_loadobj
removed algorithm widget
towards algorithm D3_Merge
added ConvexHullXY_Graham
LoadOperators() function
added operator OP::GEN::Merge
added SimplePanel::AddPushButton
join input meshes
highlight extreme vertices
post-build step for all configs
draw supporting edge
draw active edges
"Step" button
moved stuff around
towards Phase1_Level0
changed mouse controls
removed some debug outputs
iterating phase0_level0 on both P0 and P1
towards phase1_level1
added Mantle