The less compiler has compression turned on, update less tests
We're generating compressed CSS, update reference tests
Update expected paths for stefon.js.stefon compilation

Commit 9ac56a76 removed the conversion to canonical paths, this means
the removal of redundant path segments is no longer performed.
Remove tests for MIME types, 885f6ad removed MIME functionality

Also update MD5 of compiled stefon.js (paths are no longer
canonicalised)
885f6ad removed file info middleware, remove the file info tests
Merge pull request #1 from circleci/fix-tests

Fix tests