BugFix:
- fixed many bugs raising when working with not italian language;
- fixed bugs on svg exporting;
- fixed bugs on VisualTopo exporting;
- many minor bugs fixed.
Implementazioni:
- add design pan with the mouse's middle button;
- added support for additional measure unit for distance, bearing and inclination. The default unit for the designer still remain meters;
- enabled an options to send Loch the cave borders for 3D model.