Move temp dir setup/cleanup where it belongs

Change-Id: I18cdb6c9e8aa56014f49d2fcf4458c3499710ddf
Signed-off-by: Peter Portante <peter.portante@redhat.com>
Reviewed-on: http://review.gluster.org/5983
Reviewed-by: Luis Pabon <lpabon@redhat.com>
Tested-by: Luis Pabon <lpabon@redhat.com>