license header update
imports
some mongo dao things
some provider and several datamodel additions
license header update
rest additions for tracks
track rest additions
toString(), equals() and hashCode()
Merge remote-tracking branch 'origin/dev-dm' into event-stream

Conflicts:
	mongo/src/main/java/io/car/server/mongo/MongoUser.java
	rest/src/main/java/io/car/server/rest/guice/JerseyProviderModule.java