webadmin, userportal: translations update

pulled translation from Zanata oVirt project, ovirt-3.3 version
[this is a fix for the bad translations pushed at:
http://gerrit.ovirt.org/#/c/20304/]

Bug-Url: https://bugzilla.redhat.com/961693
Change-Id: I928408f5dba0bccd582fcc337bf193269058a3fd
Signed-off-by: Einav Cohen <ecohen@redhat.com>