Added example how to send failures to Airbrake
Added example how to send failures to Airbrake

This information was a bit hard to find.
xiangzhuyuan/resque,resque/resque,coupa/resque,CloudVLab/resque,resque/resque,stvp/resque,coupa/resque,Shopify/resque,xiangzhuyuan/resque,CloudVLab/resque,Shopify/resque,Shopify/resque,xiangzhuyuan/resque,stvp/resque,resque/resque,CloudVLab/resque,coupa/resque,stvp/resque