doc: typo
hdfs: larger log removal
webhcat: clean logs on stop
nagios: clean logs on stop
zoo: clean logs on stop
oozie: clean logs on stop
hive: new server wait module
hue: clean logs on stop
mapred: yarn client dependency
snn: clean log on stop
ganglia monitor: remove old comments
docs: update uid_gid with modify instructions
docs: update uid_gid with bind
hadoop: overwrite hadoop-env on package update
hdfs: fix spnego principal
hdfs dn: wait for krb5 servers
hdfs jn: move krb5 wait
hdfs nn: enrich namenode options
hdfs nn: isolate start
hdfs nn: allow access to hdfs user if restricted