scheduledStops are sorted

plus an overload for systemBetween
added geotrellis-transit as a sub-project
ignoring IDEA project folder
agency_id is now required and defaults to ""
ignore routes with no trips when building system
switch to using GtfsDateFiles for parsing
fix: switch x,y and sliding for the Stream
debugging
invert lat/lng on locations
Merging in eugene's branch
WIP job travelshed indicator
Merged in upstream
Work in progress for geotrellis-transit
Jobs indicator, added to indicator calculation process.
Merging in upstream.
Merge remote-tracking branch 'upstream/develop' into feature/travelshed-indicator
Merge remote-tracking branch 'upstream/develop' into feature/travelshed-indicator
Fixes to upstream merge.
Jobs indicator is now running as part of the indicator calc process.
Merge remote-tracking branch 'upstream/develop' into feature/travelshed-indicator