Add webpack bundle information when running in debug (#486)
Add webpack bundle information when running in debug (#486)

* Add webpack bundle information when running in debug

refs: https://github.com/mozilla-neutrino/neutrino-dev/issues/389

* Fix method signature

mozilla-neutrino/neutrino-dev,edmorley/neutrino-dev,mozilla-neutrino/neutrino-dev,edmorley/neutrino-dev,eliperelman/neutrino-dev