Add @treppo to CONTRIBUTORS.md
Use the new build env on Travis

more ram, more cpu, improved network and vm boot times

http://docs.travis-ci.com/user/workers/container-based-infrastructure/

more docs coming soon
a space matters a lot in yaml
Merge pull request #187 from joshk/patch-1

Use the new build env on Travis
Use unescape for paths before reading files
Ensure normalized_uri is used for ref URIs too
Add test with schema from path with spaces
Merge pull request #188 from RST-J/unescape_file_paths

Use unescape for paths before reading files
Validator should accept JSON::Schema objects
Document JSON::Schema reuse [ci skip]