Route macros with a :return parameter validate output
Add JSON encoders for Prismatic schemas
Revert "Add JSON encoders for Prismatic schemas"

This reverts commit 5cba0bc42cc0bfc1eb4dbbd32d5539b576c7227b.
Change to ring.swagger.schema/coerce for output data validation
Remove unnecessary require
Merge pull request #7 from arttuka/master

Use :return parameter on a swaggered route to validate output data