Merge pull request #173 from matthesrieke/master

update API documentation with regard to URLs
simplified PaginatedIterable builders
interfaces for fuelings
fueling JSON encoders
fueling decoder & guice wiring
RDF encoder for fuelings
Service extensions for fuelings / FuelingDAO
REST resource for fuelings
removed obsolete warning suppressions
use boolean instead of Boolean
MongoDB backend for fuelings
fueling schemas
added missing license headers
embedded annotation for numer/unit pairs
missing decoder binding
fixed wrong query
type converter for number/unit pairs
remove fuelings after user gets deleted
Merge pull request #176 from autermann/feature/fuelings

Fueling Stop Resource
Merge pull request #16 from enviroCar/dev

Dev