Fixes for v2.2.1 (Patches)

[micheus]

The .beam files with the fixes can be found in Wings3D's Google Drive: 2.2.1 [Fix & Updates]

The base path for reference is something like that under Windows® OS: C:\Program Files\wings3d_2.2.1\lib\wings-2.2.1

• Fixed crash in Tighten command for the AutoUV window; (./ebin/wings_drag.beam and ./ebin/wings_vertex_cmd.beam)
• Fixed hard crash caused by malformed faces; (./ebin/wings_draw_setup.beam)
• Fixed the EPS/SVG plugin exporting back edges; (./plugins/import_export/wpc_hlines.beam)
• Fixed the glTF importer that may crash for some material definitions; (./plugins/import_export/wpc_gltf.beam)
• Moving a light was causing wings to crash due a wrong text formatting.
  That can happen for all languages except English; (./ebin/wings_??.lang)
• Changing to a saved view in the middle of a vector input operation
  was causing a crash; (./ebin/wings_view.beam)
• Material issues: (./ebin/wings_material.beam)
  • In Material menu item, there was a bug if choosing a material by hitting the color icon;
  • Alpha channel of a diffuse texture was drawing in black;
    
• Selection groups has not been saved for hidden/locked; (./ebin/wings_sel.beam and wings_ff_wings.beam)
• Fixed the marque selection when an area light was present (face mode); (./ebin/wings_pick.beam and ./plugins/accel/wpc_pick.beam)
• Fixed some malfunction in Select menu items when used with AutoUV window; (./plugins/autouv/wpc_autouv.beam)
• Fixed the render crash when light is present; (./ebin/wings_ligth.beam)
• Fixed crash when zoon in 'goes far'; (./ebin/wings_render.beam)