give zaro access to jenkins-dev server

Zaro needs access to jenkins-dev server to test jenkins plugins.  Zaro has read
and agrees to the following http://ci.openstack.org/sysadmin.html#ssh-access

Change-Id: I21de249ff05fc3970bccd453daef3d4f7d2c8588
Merge "give zaro access to jenkins-dev server"