make jenkins credentials optional
make jenkins credentials optional

pipedrive/dreadnot,racker/dreadnot,racker/dreadnot,fr34k8/dreadnot,fr34k8/dreadnot,ebensing/dreadnot,ebensing/dreadnot,pipedrive/dreadnot,racker/dreadnot,ebensing/dreadnot,pipedrive/dreadnot