Revert "Grab states from a file"

This reverts commit cd569dedab0a0f28ee958456c0869b0511569f40.
Revert "Revert "Grab states from a file""

This reverts commit 9f93fd02c5b2566d51c7a34f97c55ccd21a99547.
Revert "Revert "Revert "Grab states from a file"""

This reverts commit 077517c2f363240630301f31b780057f5f452cad.
Increases the timeout to 4min on unicorn
Improves /add_shipment error logging
First try on passing an item list to ItemFulfillment
Build item fulfillment list from sales order lines
Initialize ItemFulfillment via api call

Allow us to implement partial fulfillment
Always try to create invoice after fulfillment succeeds
Merge branch 'fulfillment-items'
Merge branch 'master' into cassetes
Replace /add_shipment cassete