allow finding artifacts by :job_id
squish log aggregation queries
add log archiving
add an update_artifact service and make logs_archive report to the api
add archived_at to artifacts
relax rake dep on travis-core
don't use slice on params
use :url_encoded on the faraday request
add a feature flag for :log_archiving
need to pass the job_id
add archiving and archive_verified flags to artifacts
try verifying the content length of archived logs
use aws-sdk