Suppress the logging of the seed fetch by default

Add in handling of a task argument for the fetch task so that if the
logging is needed, you can run `rake db:seed DEBUG=true` or `rake
db:seeds:fetch DEBUG=true` in order add the logger to the Faraday
middleware stack.
Merge pull request #1676 from mattr-/silence-faraday-when-fetching-seed-data

Suppress the logging of the seed fetch by default
Ensure that a user always gets a key on save
Move nit-count increment into use case
Add endpoints to process analysis
Get POST body in api comments endpoint
Tweak comment endpoint in API
Add notification to user when rikki comments
Only trigger shadow notifications if it has related type
Prepare async job for auto nitpick
Add a sidekiq initializer
Remove the sidekiq config
Add page that explains rikki
Bail quietly if robot already commented
Upgrade bugsnag
Update puma
Upgrade newrelic_rpm
Update rouge
Add exercism account mention to the twitter sharing
Use language name, not key, in profile. Fixes #1686