revert removal of classpath graph loading

(prep for merge of patch from laurentg)
Multi-graph auto-discovery: add periodic refresh.

Also split static spring configuration and auto-discover mode in two classes.
Use a common class which encapsulate common file-related functionalities.
Do not warn for missing fares if none avail.

Conflicts:

	opentripplanner-routing/src/main/java/org/opentripplanner/routing/impl/DefaultFareServiceImpl.java
add eclipse code formatter settings to repo

Same as GeoTools settings, but comment width is same as code width: 100 chars
formatting