Fix in UnconnectedStop for pathways
documentation has been added to the stopsAlerts component
Merge commit '59f7a3d'

Conflicts:
	opentripplanner-graph-builder/src/main/java/org/opentripplanner/graph_builder/impl/LoggerAppenderProvider.java
	opentripplanner-graph-builder/src/main/java/org/opentripplanner/graph_builder/impl/StopsAlerts.java