Bump istanbul to 0.4.5 (#561)
Bump istanbul to 0.4.5 (#561)


rajkiranrbala/cf-abacus,rajkiranrbala/cf-abacus,rajkiranrbala/cf-abacus,cloudfoundry-incubator/cf-abacus,cloudfoundry-incubator/cf-abacus,cloudfoundry-incubator/cf-abacus,rajkiranrbala/cf-abacus