Added Cart#handle_no_approval_group
Moved commenting into the model
Split up processing and delivering emails
Added a bit of clean up
Moved time helpers out of Cart
Added specs
Moved initiate cart code from #send_cart to a new command, InitiateCartApproval
Revert "rudiments of new endpoint working for informal creation of cart from email"

This reverts commit 991fdae59250d610c3240c58f18f80c19c46c0d5.

Fixed merge conflicts:
	app/controllers/communicarts_controller.rb
	app/models/cart.rb
Updated the request structure for properties on Cart and CartItem