Update MobilityData fork#20

Merged

giocorti merged 7 commits intoMobilityData:masterfrom

Feb 8, 2019

Commits on Jan 17, 2019

Define valid GTFS-realtime version numbers (#130)
barbeau
authored

Commits on Feb 1, 2019

Add optional fields for Text-to-Speech in Service Alerts feed (#135)

ibi-group-team
authored and
barbeau
committed
Add GTFS-realtime Extension ID 1010 for IBI Group
barbeau
committed
Fixed changes.md formatting

giocorti
authored and
barbeau
committed
Add optional field SeverityLevel to Service Alerts feed (#136)

ibi-group-team
authored and
barbeau
committed

Commits on Feb 6, 2019