Override the router detail view to properly look up port data w/ akanda

DHC-1455
Merge pull request #23 from rodis/master

Modify test_requirements.txt to fetch grizzly version of Horizon to run the tests
Override the router detail view to properly look up port data w/ akanda

DHC-1455
Merge branch 'master' of https://github.com/ryanpetrello/akanda-horizon
Improve log verbiage.
Merge pull request #22 from ryanpetrello/master

Override the router detail view to properly look up port data w/ akanda