Folder structure to prepare for several renderers (html, json, markdown)
Cleanup README
Fix folder structure requires + better error handling

(Mocha swallows errors creating the reporter, so we have to log them ourselves)
Preparing for several renderers that take (model, outputFolder, options)
Test for responses with no bodies
Renderers options + can specify several renderers (also useful for testing)
Update README for all renderers
JSON renderer : write the model to disk
Upgrade all dependencies
Merge pull request #8 from rprieto/renderers

Support several rendering modes (html, json, markdown)