2.5: Hide options panel for halo materials, none of the settings here

should have an effect on halo's currently, and they share some of the
same flag bits as other halo options, which makes it even more confusing.

release/scripts/ui/properties_material.py

@@ -264,7 +264,7 @@ class MATERIAL_PT_options(MaterialButtonsPanel, bpy.types.Panel):
     def poll(self, context):
         mat = active_node_mat(context.material)
         engine = context.scene.render.engine
-        return mat and (mat.type in ('SURFACE', 'WIRE', 'HALO')) and (engine in self.COMPAT_ENGINES)
+        return mat and (mat.type in ('SURFACE', 'WIRE')) and (engine in self.COMPAT_ENGINES)
 
     def draw(self, context):
         layout = self.layout