BUG: back link going to wrong page

Swap referrer to actual link
Adding authorisation check
Tweaking test run output

Signed-off-by: Alan Gardner <alan@armoin.com>
Users can edit their images

Signed-off-by: Alan Gardner <alan@armoin.com>
Edit form is submitable from the start if valid

Signed-off-by: Alan Gardner <alan@armoin.com>
Users can delete memories

Signed-off-by: Alan Gardner <alan@armoin.com>
Merge branch 'edit_and_delete'