Merge pull request #33 from kete/ek-upload-images

Make image upload work
Merge pull request #34 from kete/ek-remove-zoom-link

Remove zoom update link from edit form
Merge branch 'kete2' into ek-fix-delete
Merge pull request #35 from kete/ek-fix-delete

Make deleting things (other than topics) work.
Merge branch 'kete2' into ek-fix-editing