- fixed Measuring Tool - after doing a measurement the Notebook was switching to Project Tab without letting the user see the results

- more work on the translation engine; the app now restarts after a language is applied
- added protection against using Travel Z parameter with negative or zero value (in Geometry).

FlatCAMEditor.py

@@ -33,6 +33,10 @@ from vispy.scene.visuals import Markers
 from copy import copy
 import freetype as ft
 
+import gettext
+import FlatCAMTranslation as fcTranslate
+fcTranslate.apply_language('FlatCAMEditor')
+
 
 class BufferSelectionTool(FlatCAMTool):
     """