Updating HAProxy snapshot documentation v1.5.5 generated by haproxy-dconv v0.3.1-23
Updating HAProxy stable documentation v1.5.5 generated by haproxy-dconv v0.3.1-23

47067ca DOC: indicate that weight zero is reported as DRAIN
e56c4f1 MEDIUM: config: make the frontends automatically bind to the listeners' processes
531485c DOC: indicate in the doc that track-sc* can wait if data are missing
e99d44d DOC: clearly state that the "show sess" output format is not fixed