Made the SuperModel a little bit more clever about handling duplicate loaded models, hopefully fixed #1108.

app/models/SuperModel.coffee

@@ -121,6 +121,7 @@ module.exports = class SuperModel extends Backbone.Model
       if cachedModel
         clone = $.extend true, {}, model.attributes
         cachedModel.set(clone, {silent: true})
+        console.debug "Updated cached model <#{cachedModel.get('name') or cachedModel.getURL()}> with new data"
       else
         @registerModel(model)
     collection

app/models/ThangType.coffee

@@ -13,8 +13,6 @@ module.exports = class ThangType extends CocoModel
   initialize: ->
     super()
     @building = {}
-    @setDefaults()
-    @on 'sync', @setDefaults
     @spriteSheets = {}
 
     ## Testing memory clearing
@@ -24,9 +22,6 @@ module.exports = class ThangType extends CocoModel
     #  @_previousAttributes.raw = null
     #setTimeout f, 40000
 
-  setDefaults: ->
-    @resetRawData() unless @get('raw')
-
   resetRawData: ->
     @set('raw', {shapes: {}, containers: {}, animations: {}})