Ed: better handling of jp in builder
Timetable: fix order of jv in route_schedules
Timetable: add test on route_schedule
Add a space and const std::string&
Kraken: use of const ref
Kraken: avoid copy of a journey pattern
Kraken: better init of vector
Protobuf: vehicle journey type is now optional
Jormungandr: handle no vehicle journey type in decorator
Kraken: add test on waiting section with estimated date time
Kraken: fix waiting section with estimated datetime