Make sure JSHint is installed
Make sure JSHint is installed

This is needed because it's run in `npm test`.

pump-io/pump.io,stephensekula/pump.io,pump-io/pump.io,stephensekula/pump.io,e14n/pump.io,e14n/pump.io,e14n/pump.io,stephensekula/pump.io,pump-io/pump.io