GitLab

gx import multiaddr

gx publish 0.0.8

Update Travis CI to use standard test script and go 1.9.x.

This also switches from goveralls to codecov.

Small edits to the README to standardize it a bit

If we use same NAT agent and call for the same permanent mapping
again we get the same mapping, no harm done.

If router dies, we will remap again.
Just pros, no cons.

Some hardware doesn't support UPnP with durations.