snactor: Do not log debug by default (#534)
snactor: Do not log debug by default (#534)

Previously fallback logging defaulted to DEBUG for all the things. This
patch introduces a more configurable approach that obeys --debug and
--verbose options and LEAPP_DEBUG/LEAPP_VERBOSE environment variables
instead.

Signed-off-by: Vinzenz Feenstra <600e8a10eeff4f08c65e2cf493cd851025e86fd2@redhat.com>
leapp-to/prototype,leapp-to/prototype,leapp-to/prototype,leapp-to/prototype