Updating HAProxy snapshot documentation v1.5.9 generated by haproxy-dconv v0.3.1-24

77c6a29 [RELEASE] Released version 1.5.9
Updating HAProxy stable documentation v1.5.9 generated by haproxy-dconv v0.3.1-24

77c6a29 [RELEASE] Released version 1.5.9
fad7f07 MINOR: sample: add a few basic internal fetches (nbproc, proc, stopping)