No-cache User fetch in hero victory

After earning achievements.  On IE, this call results in a cache hit,
so the User object was never updated with the sweet sweet loot you just
earned.  Like a sword you need for True Names.

app/views/play/level/modal/HeroVictoryModal.coffee

@@ -85,7 +85,7 @@ module.exports = class HeroVictoryModal extends ModalView
           @listenToOnce me, 'sync', ->
             @readyToContinue = true
             @updateSavingProgressStatus()
-          me.fetch() unless me.loading
+          me.fetch cache:false unless me.loading
 
     @readyToContinue = true if not @achievements.models.length