(again)

broken tests on dbis-tests system)

more network communication is done - only from vm host to vm guest)

from being installed... we have to check performance on changes here)

only opening tomcat port if not in local test mode (needed to enable
vagrant on jenkins)

getEarliestArrivalTime/getLatestDepartureTime queries
  -> simplified NodeConnection clas
  -> added boolean flag for switching between in query and exact search

changed initiali list size in NodeConnection class

  (by now the changelog is not checked in into git)

changes with nodeConnection (using multimap now)

sorting methods
renamed method getID to getId

sorting methods

links to the same target node) -> fixes reachability problem with new
getLatestDepartureTime/getEarliestArrivalTime sql queries

getLatestDepartureTime. This should reduce the number of sql queries by
far...

beside addNode function)
 -> could be improved with java8 syntax (default method in IOutput), but
checkstyle does not support this right now

tests
improved test logging (added start markers for each class)