Removed advanceLayoverState() -- it is never used and therefore
confusing to have.
refactoring the calculation of isAtPotentialLayoverSpot when creating
BlockStateObservation objects.  Functionally idempodent.
Comment clarification, renamed one (currently unused) method.
Some comments, in preparation for first stab at layover-in-motion
First attempt at layovers-in-motion (for layover_during only), only
following a stationary layover.
Merge branch '2.9'
fixing unit test for OBANYC-2147
More work on OBANYC-2147; changing blockId generation in bundle builder
obanyc-2137 ambersand showing in mobile
obanyc-1278:  IE was not using run-id from crew assignment  (UTS)
service, but constructing it on its own
obanyc-2160 refactored siri caching to store String, not Siri.
more archive validation
merge
OBANYC-2159: Updated all links to 'mta.info' as 'web.mta.info'
Merge branch 'master' of https://github.com/camsys/onebusaway-nyc.git
obanyc-2160 integration test for siri caching
commenting out line of unambiguous search
obanyc-2135; hide buses that have more that 30 mins schedule deviation
robustness tweaks to configuration service
tweaking integration test