Upgrade to backbone v0.9.10 from v0.9.2

Some troubles along the way, there seems to be a memory leak now :(
Fix typo
Don't check for existing sets on the board if help is turned off.
Dont' pass all the fields into save() after updating one of the local-storage backed models.

Also alias Backbone.Model to Parent.
Fix a display glitch where cards were not having their help-state displayed to the user.
Bring down the color intensity of the cards.