webadmin, userportal: translations update

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

Change-Id: I54daae43867421826a95a147edae4419d468edd3
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1082800
Signed-off-by: Einav Cohen <ecohen@redhat.com>