moved status off $ and onto res.
moved $.app to $.req.app
killed $.uri.  added $.req.uri, using urlgrey.
removed Uri ContextHelper.
onBody moved to req
moved onJson to req instead of $.
moved $.fetched to $.req.fetched
moved $.authenticated to $.req.authenticated.
moved $.json to $.res.object
moved $.jsonCollection to $.res.collection.
moved $.jsonCollection to $.res.collection.
added latest urlgrey.
removed context from onBodyHelper
moved fetchhelper to req/res style.
moved Authenticate and BasicAuthenticate helpers to req/res style.
made jsoncontexthelper use req/res format.  named it objectHelper.
changed JsonBody helper to onJson helper with req/res format.
changed CRUDCollection to req/res style.
changed test data to req, res style.
un"context"ed defaultContextHandler.