Allow a MIME type to be specified for extensionless files
Merge branch 'master' of https://github.com/webcollective/s3_website into webcollective-master
Convert #mime_type to if-else
Remove trailing whitespace
Add Toby Marsden to the list of contributors
Merge branch 'webcollective-master'

Add feature https://github.com/laurilehmijoki/s3_website/pull/39/
Bump up version