Display method on shipments once again
Make content display on all state pages again
Move shipping rate updating logic into shipment model
Call checkout_steps before the totals, so that shipment_total gets updated

Right now you're probably saying WTF!!! Let me explain:

https://twitter.com/ryanbigg/status/462095134826299392
https://twitter.com/ryanbigg/status/462095337318907904
Get content correctly in stockPicker controller
Set active link for states