Ember?
What's Ember? Do you mean Ember.js?
What's Ember? Do you mean Ember.js?
OP: Nice post. I've actually spent the last few days on the very same topic. I had the same problem with MongoDB's _id and everything I found on Google seemed to show different approach, from which none worked. Ultimately I changed to Parse and everything worked out of the box.
Basically just link the JS and add your API keys.