The struct was getting unmanageable. extracted the config component to
reduce complexity. The datastore will be written as another component.

fix(fsrepo): extract private, unsynced method to prevent deadlock

no issue detected but it's good to be safe

NB: daemon is one spot the repo lock is typically acquired

for now, allow daemon and client to both hit config

@jbenet @whyrusleeping thoughts?

the travis docs say the env flag TRAVIS=true but, i want
to make absolutely sure. explicitness leaves less room for
error.

Serial File Opening

Stdin Input

p2p/net/swarm: fix racey test

p2p/net/swarm: more connection bugs

this is actually pretty important in case some peers end
up changing addrs, so others dont fail dialing simply for
picking the wrong addr to start with.

This commit introduces a backoff when failing to dial
peers. It makes everything much faster.