Wx::DrawLine wasn't happy with a polyline, so we pass the sequence of points to Wx::DrawLines
…ctConfig This fixes an issue where the support material doesn't honour a custom first layer extrusion width. Fixes: #2662
…ne failed because of a validation error. #2633
…ot being available in custom G-code anymore. Includes regression test. #1507
…infill paths not being trimmed correctly. #2448
… along with the --gui switch. #2644
… when support_material_contact_distance == 0. Includes regression tests. #2656
… Added another NULL check for safety.