Added all the in-use texture map types to the texture node type

Note that we now name 'occlusion' (as it's used in production) as
'ambient occlusion'. The database needs to be migrated for this.

pillar/api/node_types/texture.py

@@ -27,15 +27,19 @@ node_type_texture = {
                     'map_type': {
                         'type': 'string',
                         'allowed': [
-                            'color',
-                            'specular',
-                            'bump',
-                            'normal',
-                            'translucency',
-                            'emission',
-                            'alpha',
-                            'id',
-                            'displacement'
+                            "alpha",
+                            "ambient occlusion"
+                            "bump",
+                            "color",
+                            "displacement",
+                            "emission",
+                            "glossiness",
+                            "id",
+                            "mask",
+                            "normal",
+                            "roughness",
+                            "specular",
+                            "translucency",
                     ]}
                 }
             }