Fixed make errors on a Ubuntu VM
Excluded . and .. to prevent rm from saying
rm: cannot remove directory: ‘public/.’
rm: cannot remove directory: ‘public/..’
Merge pull request #65 from concord-consortium/ubuntu-vm-buildfix

Fixed make errors on a Ubuntu VM
Images now display on bonds
Added interactives/image-on-bond.json to demonstrate this feature.
Required for [#73733104].
Moved the test interative to lab-interactives-site
It'll work when this branch is merged.