Added unit test to test minimum transfer time transfer in the dynamic
case
Added dynamic timed transfer unit test.
Removed currentStop from state data.
Correctly handle transfers when traversing backwards in time.
Removed some comments in unit test
Expanded unit test to also cover the new boarding parameter when asking
the travel time
Changed parameter "boarding" to "forwardInTime" in method
getTransferTime of TransferTable.
Merge pull request #1146 from jkoelewijn/transferTripToTripDynamic

Transfer trip to trip dynamic