fix: avoid deleting nodes from peerBook#76

Merged

daviddias merged 5 commits intomasterfrom feat/advanced-peer-book

Mar 31, 2017

+31-13

Commits on Mar 29, 2017

Commits on Mar 30, 2017

feat: not remove peer from peerBook on disconnect
daviddias
committed

Commits on Mar 31, 2017

chore: update to latest peer-info, peer-book and libp2p-swarm
daviddias
committed