changed Catcher#exception_to_data to no longer be private
changed Catcher#exception_to_data to no longer be private

git-svn-id: a1b6e0d49bc4387fe4a4e65e8a2b8bec69f11560@374 7bbfaf0e-4d1d-0410-9690-a8bb5f8ef2aa

thoughtbot/hoptoad_notifier,benjaminoakes/airbrake,kakra/hoptoad_notifier,nick-desteffen/airbrake,airbrake/airbrake,airbrake/airbrake,nick-desteffen/airbrake,stevecrozz/hydraulic_brake,Shopify/airbrake,CarlosCD/airbrake,CarlosCD/airbrake,square/hoptoad_notifier,thoughtbot/airbrake