Merge pull request #1 from getyourguide/serf

add serf support for reporting

Merge pull request airbnb#89 from airbnb/bump_version

Cut version 0.8.0

Merge pull request airbnb#84 from scarletmeow/tlow/0.7.0

bump version to v0.7.0

Merge pull request airbnb#73 from airbnb/bump_v_to_0.6.0

Bump v to 0.6.0

Bump version to 0.5.4

bump version to v0.5.3

Don't revive zombie ZK sessions.

Added additional level of protocol indirection.

bump version to v0.5.2

Version 0.5.1