Remove KV8
Remove Update classes
Remove subclasses of TripTimes
Rename UpdatedTripTimesTest.java to TripTimesTest.java
Rename GtfsRealtimeZmqTripUpdateSource.java to GtfsRealtimeFileTripUpdateSource.java
Rewrite GTFS-RT tests
Rewrite GTFS-RT implementation
Add TripUpdateGraphWriterRunnableTest class to OTP
Merge branch 'gtfs-rt' into propagation

Conflicts:
	otp-core/src/main/java/org/opentripplanner/routing/edgetype/Timetable.java
	otp-core/src/main/java/org/opentripplanner/updater/stoptime/TimetableSnapshotSource.java