No warning when template is not found

Description

user@onionspray:/srv/shared$ ./onionspray config examples/none.tconf
:::: configure examples/none.tconf ::::
onionspray: info: Processing examples/none.tconf
onionspray: info: Populating none.conf with onions
onionspray: info: Please be patient...

onionspray: done. logfile is log/configure2425.log
user@onionspray:/srv/shared$ 

Tasks

• Add a warning and fail when template is not found.

Time estimation

• Complexity: negligible (0.1 day)
• Uncertainty: low (x1.1)
• Reference (adapted)