added annotation to ignore unkown properties in request
removed jersey test framework from dependencies
updated resources and repositories
also added exception mappers for the rest api
added jersey test framework
added uri in header of created (201) response
turned on schema.sql in config
removed todos
added jackson 2 to serialize json into objects, instead of the default jackson 1.x included in jersey 1.x
removed bidirectional mapping from manufacturer <--> chargingstationtype
TODO: add tests for removed classes
added text/plain content-type to responses of the rest api classes. This is needed to return the exceptions as plain text
removed @Context from rest api resources
added unit tests to jersey resources