- fixed issue when loading unbuffered a Gerber file that has negative regions

- fixed Panelize Tool to save the aperture geometries into the panel apertures. Also made the tool faster by removing the buffering at the end of the job
- modified FlatCAMEditor's files to the new string format that will allow easier translations
- updated POT file and the Romanian translation

flatcamTools/ToolNonCopperClear.py

@@ -2564,7 +2564,10 @@ class NonCopperClear(FlatCAMTool, Gerber):
         the given boundary polygon. If not specified, it defaults to
         the rectangular bounding box of target geometry.
         """
-        geo_len = len(target)
+        if isinstance(target, Polygon):
+            geo_len = 1
+        else:
+            geo_len = len(target)
         pol_nr = 0
         old_disp_number = 0