Add `request` to additional data passed to Sentry/raven
Part of https://gitlab.com/gitlab-org/gitter/webapp/merge_requests/1210
Add request
to additional data passed to Sentry/raven
See https://docs.sentry.io/clients/node/usage/#raven-node-additional-data
Added so we can try to solve https://gitlab.com/gitlab-org/gitter/webapp/issues/1906
See companion MRs where we pass some request from the gitter-faye
logger, https://gitlab.com/gitlab-org/gitter/faye/merge_requests/3 and use it in the webapp in our env error-reporter
, TODO
Edited by Eric Eastwood