Shutdown everything when our Rack handler is CTRL+C'd
Shutdown everything when our Rack handler is CTRL+C'd

Previously we were only stopping the web component, which may leave
other components (messaging, scheduling, etc) running in the
background. This only impacts applications started via 'rackup -s
torquebox'. Hopefully fixes #190

torquebox/torquebox-release,ksw2599/torquebox,mje113/torquebox,torquebox/torquebox,samwgoldman/torquebox,mje113/torquebox,vaskoz/torquebox,mje113/torquebox,torquebox/torquebox,vaskoz/torquebox,samwgoldman/torquebox,torquebox/torquebox-release,vaskoz/torquebox,ksw2599/torquebox,ksw2599/torquebox,torquebox/torquebox-release,torquebox/torquebox,torquebox/torquebox-release,samwgoldman/torquebox,torquebox/torquebox,vaskoz/torquebox,samwgoldman/torquebox,ksw2599/torquebox,mje113/torquebox