Changes to Refine Flight Guide Inventory

added the new optional request property refinement/max_stops

added the new optional request property refinement/outbound_arrival_deadline

added the new optional request property refinement/outbound_max_duration_minutes

added the new optional request property refinement/return_arrival_deadline

added the new optional request property refinement/return_leg

added the new optional request property refinement/return_max_duration_minutes

added the optional property refinement/max_stops to the response with the 200 status

added the optional property refinement/outbound_arrival_deadline to the response with the 200 status

added the optional property refinement/outbound_max_duration_minutes to the response with the 200 status

added the optional property refinement/return_arrival_deadline to the response with the 200 status

added the optional property refinement/return_leg to the response with the 200 status

added the optional property refinement/return_max_duration_minutes to the response with the 200 status

added the new optional request property decision_stage

added the new optional request property refinement/released_search_constraints

added the new optional request property refinement/stops

added the optional property outbounds to the response with the 200 status

added the optional property refinement/released_search_constraints to the response with the 200 status

added the optional property refinement/stops to the response with the 200 status

added the optional property resolved_source_frame_id to the response with the 200 status

added the new optional query request parameter hotel_proposal_set_id