this change reimplements oozie client to support running
of edp jobs on top of the kerberized clusters.
additionally, we will setup keytabs and principals in order
to have ability to process authentication in clients.
these principals will be refreshed by additional cron
jobs once per hour.
implements bp: initial-kerberos-integration
Change-Id: I55b4267c09c43fdef75a443410f4ae11f56127e1
5120dd7060