- added a partial translation for Chinese Simplified language, by 俊霄 余

- trying to separate the Preferences settings from App init and to make them dependent on the self.defaults dictionary
- updated the language strings from the source

appGUI/preferences/tools/Tools2ExtractPrefGroupUI.py

@@ -13,12 +13,13 @@ if '_' not in builtins.__dict__:
 
 
 class Tools2EDrillsPrefGroupUI(OptionsGroupUI):
-    def __init__(self, decimals=4, parent=None):
+    def __init__(self, defaults, decimals=4, parent=None):
 
         super(Tools2EDrillsPrefGroupUI, self).__init__(self, parent=parent)
 
         self.setTitle(str(_("Extract Drills Options")))
         self.decimals = decimals
+        self.defaults = defaults
 
         # ## Grid Layout
         grid_lay = FCGridLayout(v_spacing=5, h_spacing=3)