[cwctl] allow overriding config settings from the command line (closes #5557656) eg. cubicweb-ctl start -p port:8082 myapp to overload the port parameter defined in the all-in-one.conf file.

include *.py
include */*.py
recursive-include data *.gif *.png *.ico *.css *.js
recursive-include i18n *.po
recursive-include wdoc *