Test runner was updated and test configs for routing table tests were udpated.

  * test runner was updated with new config format feature
  (it is possible to specify multiple runnings for the same configuration of
  test environment in the same config)
  * redundant comment symbols was removed from default yml parameters file
  * test configs for routing table tests were updated
  (a lot of duplications were removed)
  * descriptions for routing table tests were added to configs files