Fixed couple bugs in furniture library

1) last polyline point was failing on Consecutive rule causing validation errors
2) Fixed wrong ifc class for dishwasher (was used occurence class instead of type)

src/blenderbim/scripts/generate_furniture_library.py

@@ -18,7 +18,6 @@
 
 import ifcopenshell
 import ifcopenshell.api
-import boltspy as bolts
 from math import cos, tan, pi
 from pathlib import Path
 from mathutils import Vector
@@ -85,7 +84,7 @@ def get_simple_2dcurve_data(coords, fillets=[], fillet_radius=[], closed=True, i
                 segments.append([current_point - 1, current_point])
 
     if closed:
-        segments.append([0, len(points) - 1])
+        segments.append([len(points) - 1, 0])
 
     # replace negative index
     if segments[0][0] == -1:
@@ -1612,7 +1611,7 @@ class LibraryGenerator:
 
         overall_width, overall_depth, overall_height = (500.0, 570.0, 820.0)
         representation_3d, representation_2d = create_dishwasher(overall_width, overall_depth, overall_height)
-        self.create_explicit_type("IfcElectricAppliance", "Neufert Dishwasher", representation_3d, representation_2d)
+        self.create_explicit_type("IfcElectricApplianceType", "Neufert Dishwasher", representation_3d, representation_2d)
 
         def create_cooktop(width, depth, height):
             items_3d, items_2d = create_box_objects(width, depth, height)