* [ ] Rework gcview zooming/rotation/move behavior* [ ] Improve stlview* [x] Add tool to select gcode area to ignore* [ ] Add calibration helper* [ ] Improve tabbed mode for wx 2.8 ? (the main toolbar is not wrapping as in 2.9)- [ ] Review all settings long help- [ ] Make heavy 3D viz work- [ ] Add speed slider- [ ] Fix code injection- [ ] Improve gcode plater- [ ] Check what happens for layer switch for 2D viewer