rename with_callbacks to with_transcoding_callbacks because carrier wave defines with_callbacks
rename with_callbacks to with_transcoding_callbacks because carrier wave defines with_callbacks

effektz/carrierwave-video,NoNonsenseSolutions/carrierwave-video,mhui/carrierwave-video,framgia/carrierwave-video,andreywerewolf/carrierwave-video,adamcarlile/carrierwave-video,rheaton/carrierwave-video