Tests performed:
- Visit help main view by visiting URL /plinth/help/.
- Visit pages: about, manual, get support, submit feedback, contribute.
- Download manual.
- Raise an exception in a view, visit the view in non-develop mode, see the
status log.
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Veiko Aasa <veiko17@disroot.org>
