* Allow S3 upload even when using custom outputFolder.
* Add new s3.path option, to override the default storage path in the S3 bucket.
* Change the default storage path in the S3 bucket to no longer include the prefix 'sitespeed-result’.
* Remove broken/not useful progress load for S3 upload (was producing 100000+ log lines.
* Extract result url building into separate module that’s made available to plugins via context.resultUrls.
Peter Hedenskog
Ryan Siddle
Tobias Lidskog