[17.03 backport] NetworkDB fixes backport#1954

Merged

mavenugo merged 3 commits intomoby:release/v0.9from fcrisciani:netdb-backport-17.03

Sep 23, 2017

+7,224-1,090

Commits on Sep 22, 2017

NetworkDB backport from master
Flavio Crisciani
committed
Update memberlist dependency to v0.1.0
Flavio Crisciani
committed
Fix lint issues
Flavio Crisciani
committed