changed jpackage mirror

ftp://jpackage.hmdc.harvard.edu is not mirroring jpackage repo anymore
moved to another mirror.

Related-To:
http://jenkins.ovirt.org/job/repos_3.5_check-closure_merged/DISTRIBUTION=centos6/179/console

Change-Id: I3f2af8a3e9e97f7b4025b35de1c181ad9142d20f
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>