webadmin, userportal: translations update

pulled translation from Zanata oVirt project, ovirt-3.4 version.

Change-Id: I26bbe85385ebdccc5517699e728adda55f3479b9
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1089777
Signed-off-by: Einav Cohen <ecohen@redhat.com>