add Escalator and EscalatorSlope (with no support for rendermap and buildgraph so far)

src/c3nav/editor/forms.py

@@ -3,7 +3,6 @@ import time
 from collections import OrderedDict
 
 from django.conf import settings
-from django.db.models import Field
 from django.forms import CharField, ModelForm, ValidationError
 from django.forms.models import ModelChoiceField
 from django.forms.widgets import HiddenInput

src/c3nav/editor/static/editor/js/editor.js

@@ -282,7 +282,9 @@ editor = {
         'levelconnector': '#FFFF00',
         'shadow': '#000000',
         'stair': '#FF0000',
-        'arealocation': '#0099FF'
+        'arealocation': '#0099FF',
+        'escalator': '#FF9900',
+        'escalatorslope': '#DD7700'
     },
     _line_draw_geometry_style: function(style) {
         style.stroke = true;