Use text area fields for Usercomments#new and #edit (with :required option).
Display black horizontal line between day breaks in shot list instead of an (empty) white row.
Update gems. All tests passed.
Update todo.txt
Add support for new 'observer' role, which can read everything but cannot modify.
Update packages.
Update API doc.
Display user comments on shot report pages.

Add shot report header to commen file report.html.erb (removes some code doubling).
Update changelog.