Merge pull request #124 from weaveworks/tweak-coefficients

Tweak some coefficients

Merge pull request #111 from weaveworks/limit-route-calculation-with-…

…ticker

Reduce the rate of route recalculation to reduce CPU load

Merge pull request #89 from itizir/status-proto-version

Status: report actual min protocol version

Merge pull request #79 from zignig/patch-1

Panics on null overlay

Semimechanical renames