Add rake clean task
Add rake clean task

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