remove cfssl_trust individual certificate files, just keep the generated bundles
update-bundles removes cfssl_trust individual certificate files, keeping just the generated bundles
more descriptive commit message for update-bundles
add scripts to manage storing the cfssl_trust files in redis
move cfssl-wrapper to new lib dir
change name of local database in .env
ensure cfssl trust files are updated in the background by the sinatra app

one would generally run this as a separate process or cron, but because of dynos and procfiles, and the fact that the files need to be updated locally for each dyno, it's simpler to keep it within the sinatra process