added log for routing service requests and their results

Several statistical values about a routing service are collected for
each routing service call. This information is written to a file.
fixed NoClassDefinedException by importing it from data stream
moved string parsing to parser classes
enable AS setup with Ark data
fixed usage of configuration variable
concentrate creation of RS instance in RoutingServiceInstanceRegister
added routing service delegation code

The DelegationPartialRS extends the PartialRS by delegation
capabilities. The new RS can announce the information announce to it to
other RS as well.