fix muncher port in travis config
fix muncher port in travis config

LukasLohoff/o2r-loader,nuest/o2r-loader,LukasLohoff/o2r-loader,nuest/o2r-loader,nuest/o2r-loader,LukasLohoff/o2r-loader,LukasLohoff/o2r-loader,nuest/o2r-loader