webadmin, userportal: translations update

pulled translation from Zanata oVirt project, ovirt-3.5 version.

Change-Id: Ie83ec3dad219eb3353d69d2cf1eb1c191137597f
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1110575
Signed-off-by: Einav Cohen <ecohen@redhat.com>