openbahn: Query the Deutsche Bahn Timetable API

#' openbahn: Query the Deutsche Bahn Timetable API
#'
#' This package provides functions to query the Deutsche Bahn timetable 
#' API to find locations, get departure or arrival boards and to get 
#' further details for specific journeys.
#' 
#' At the moment, only the timetable for German long distance traffic 
#' is supported.
#'
#' The use this package an API key is required. An API key can be 
#' obtained by mailing to \code{DBOpenData@deutschebahn.com}.
#'
#' To learn more about \code{openbahn}, start with the vignettes:
#'  \code{browseVignettes(package = "openbahn")}
#' @docType package
#' @name openbahn-package
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