Merge pull request #3624 from Russ4262/SlotCutter

[Path] Add new `Slot` operation to PathWB 2D tool group

src/Mod/Path/PathScripts/PathGuiInit.py

@@ -73,6 +73,7 @@ def Startup():
         from PathScripts import PathSetupSheetGui
         from PathScripts import PathSimpleCopy
         from PathScripts import PathSimulatorGui
+        from PathScripts import PathSlotGui
         from PathScripts import PathStop
         # from PathScripts import PathSurfaceGui  # Added in initGui.py due to OCL dependency
         from PathScripts import PathToolController