webadmin: Host General sub-tab  unlocalized strings found

changes are described in bugzilla.

Change-Id: I59b0ba281c912d1a9e09b9ab3dde1be93b0c7e56
Bug-Url: https://bugzilla.redhat.com/952091
Signed-off-by: Gilad Chaplik <gchaplik@redhat.com>