Fixes #1510 Send errors passed to errorResponse into sentry.
Fixes #1510 Send errors passed to errorResponse into sentry.

fzzzy/pageshot,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/pageshot,fzzzy/pageshot,fzzzy/pageshot,mozilla-services/screenshots,fzzzy/pageshot