Ignore params parser errors
Ignore params parser errors

A lot of hacking attempts will cause the params parser to blow up since
the requests aren't encoded correctly (e.g rails/rails#17731). Rails does
the right thing here and returns a 400 Bad Request so we don't need to
be notified of this via AppSignal.

alphagov/e-petitions,StatesOfJersey/e-petitions,joelanman/e-petitions,StatesOfJersey/e-petitions,StatesOfJersey/e-petitions,unboxed/e-petitions,ansonK/e-petitions,telekomatrix/e-petitions,oskarpearson/e-petitions,telekomatrix/e-petitions,unboxed/e-petitions,ansonK/e-petitions,joelanman/e-petitions,StatesOfJersey/e-petitions,oskarpearson/e-petitions,alphagov/e-petitions,ansonK/e-petitions,alphagov/e-petitions,telekomatrix/e-petitions,joelanman/e-petitions,unboxed/e-petitions,oskarpearson/e-petitions,unboxed/e-petitions,alphagov/e-petitions