Code review comment for lp:~zulcss/glance/lp1307518

Generally - use a -d instead of -e.

41 + if [ -e /var/lib/glance/image-cache]; then
42 + /var/lib/glance/image-cache
43 + fi

needs a space after (image-cache) on 41

also needs to chown glance:glance -R /var/lib/glance/image-cache