Add the routing specs for #move_higher, #move_lower
Add the specs for AddtionalCostsController#move_higher/move_lower
Add the controller specs for adding 'remarks' column to additional costs
Merge pull request #95 from kaznum/ordering_additional_costs

Add the ordering link to additional_costs
Merge pull request #96 from kaznum/add_remarks_to_additional_costs

Add remarks column to additional_costs
Merge remote-tracking branch 'estcosmo/master'