Eeschema: fix Bug #1375581 (libraries setup empty after clicking "print" icon)

eeschema/schframe.cpp

@@ -1053,7 +1053,8 @@ void SCH_EDIT_FRAME::OnPrint( wxCommandEvent& event )
     if( fn.GetName() != NAMELESS_PROJECT )
     {
         // was: wxGetApp().WriteProjectConfig( fn.GetFullPath(), GROUP, GetProjectFileParametersList() );
-        Prj().ConfigSave( Kiface().KifaceSearch(), GROUP_SCH, GetProjectFileParametersList() );
+        Prj().ConfigSave( Kiface().KifaceSearch(), GROUP_SCH_EDITOR,
+                          GetProjectFileParametersList() );
     }
 }
 

pcbnew/scripting/units.i

@@ -27,8 +27,7 @@
  * @brief unit conversion code
  */
 
-// Unit conversion, must be conditionally adapter to the new 
-// nanometer mode that will be soon included in pcbnew
+// Unit conversion, between internal
 
 %pythoncode
 {