Material: Material appearance

Uses new material system for appearance

Each feature object now has a property called ShapeMaterial that
describes its physical properties. If it has a shape, it has a
material.

The ShapeColor attribute is replaced by a ShapeAppearance attribute.
This is a material list that describes all appearance properties, not
just diffuse color. As a list in can be used for all elements of a
shape, such as edges and faces.

A new widget is provided to allow the user to select materials in a
consistent fashion. It can also launch the material editor with its
more advanced capabilities.

src/Gui/ManualAlignment.cpp

@@ -201,9 +201,11 @@ void AlignmentGroup::setAlignable(bool align)
         }
         // leaving alignment mode
         else if (!align){
-            auto pColor = dynamic_cast<App::PropertyColor*>((*it)->getPropertyByName("ShapeColor"));
-            if (pColor)
-                pColor->touch(); // resets to color defined by property
+            auto pAppearance =
+                 dynamic_cast<App::PropertyMaterial*>((*it)->getPropertyByName("ShapeAppearance"));
+             if (pAppearance) {
+                 pAppearance->touch();  // resets to color defined by property
+             }
         }
     }
 }