Change MenuText of fasteners according to grouping mode

When the icons are not grouped in drop-down list the tooltip that
appears is bloated/redundant, this changes expect to have cleaner
tooltips.

Fix #355

FastenersCmd.py

@@ -865,9 +865,15 @@ def GetResources(self):
         import GrammaticalTools
 
         icon = os.path.join(iconPath, FSGetIconAlias(self.Type) + '.svg')
+
+        if FSParam.GetInt("ScrewToolbarGroupMode", 1) == 2:
+            menu_text = translate("FastenerCmd", "Add ") + GrammaticalTools.ToDativeCase(self.Help)
+        else:
+            menu_text = translate("FastenerCmd", "Add ") + self.Type
+
         return {'Pixmap': icon,
                 # the name of a svg file available in the resources
-                'MenuText': translate("FastenerCmd", "Add ") + GrammaticalTools.ToDativeCase(self.Help),
+                'MenuText': menu_text,
                 'ToolTip': self.Help}
 
     def Activated(self):
@@ -882,7 +888,7 @@ def Activated(self):
                 a.ViewObject.LineWidth = FSParam.GetFloat("DefaultLineWidth", 1.0)
             if FSParam.GetBool("DefaultVertexSizeActive", False):
                 a.ViewObject.PointSize  = FSParam.GetFloat("DefaultVertexSize", 1.0)
-            
+
             FSViewProviderTree(a.ViewObject)
         FreeCAD.ActiveDocument.recompute()
         return