webadmin, userportal: translations update

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

Change-Id: Ie249f3e19c153dade1b55a3729d9af11a00de71b
Bug-Url: https://bugzilla.redhat.com/1072059
Signed-off-by: Einav Cohen <ecohen@redhat.com>