add hetzner:reset task
zookeeper: add zookeeper_url helper
hadoop: get rid of stupid shared log file
chef: do not make nagios look like a christmas tree
remove i2cssh to reduce Gemfile.lock changes
redis: add OOMScoreAdjust
ssh: fix chef 11 regression
tasks/node: improve quickstart with automatic DNS/rDNS
hadoop: increase threshold for DN storage
tasks/node: add updateworld and reboot after bootstrap
move alfred2 to mac cookbook
update bundle
fix typo
only support Hetzner and ZenDNS API if configured
mac: update istatmenus
sync
fix regression in api detection