Some small changes in the airline code.
Some small changes in the airline code.

jwakely/airinv,airsim/trademgen,airsim/travelccm,airsim/airinv,airsim/tvlsim,airsim/tvlsim,jwakely/simcrs,airsim/rmol,jwakely/airinv,airsim/avlcal,airsim/simcrs,airsim/avlcal,airsim/travelccm,airsim/simfqt,jwakely/rmol,airsim/airinv,jwakely/simcrs,jwakely/travelccm,airsim/sevmgr,airsim/rmol,airsim/tvlsim,airsim/tvlsim,airsim/rmol,jwakely/rmol,jwakely/airinv,airsim/tvlsim,airsim/stdair,airsim/airinv,airsim/airtsp,jwakely/rmol,jwakely/simcrs,airsim/stdair,airsim/tvlsim,airsim/simcrs,airsim/sevmgr,airsim/stdair,airsim/tvlsim,airsim/tvlsim,airsim/simlfs,airsim/avlcal,jwakely/airrac,jwakely/travelccm,airsim/airinv,airsim/airtsp,jwakely/airrac,jwakely/airinv,jwakely/simfqt,airsim/simlfs,jwakely/trademgen,airsim/simfqt,jwakely/simfqt,jwakely/airinv,airsim/tvlsim,airsim/airrac,airsim/avlcal,airsim/trademgen,airsim/airrac,airsim/airinv,airsim/simcrs,airsim/airinv,airsim/trademgen,jwakely/trademgen,jwakely/rmol,jwakely/trademgen,jwakely/simfqt,jwakely/airinv,airsim/sevmgr,jwakely/airinv,airsim/airinv,jwakely/airinv,airsim/airinv,jwakely/airinv,airsim/simfqt,airsim/simlfs,airsim/airrac,airsim/airinv,jwakely/airrac,airsim/rmol