passed formats options to pipeline router - this feature allows using the same route with different types (json, html, xml)
improved format method, passed format parameter. app.plugins.format('search', {make: 'Acura'}, 'json') will return /search/Acura.json. Useful in single page context
Merge pull request #35 from Marko-Jankovic/master

- Passed formats options to pipeline router - Improved format method