Rely on $PATH containing "$GOPATH/bin" to find Go binaries
Rely on $PATH containing "$GOPATH/bin" to find Go binaries

Simplifies update_changelog.sh

google/certificate-transparency-go,google/certificate-transparency-go,RJPercival/certificate-transparency-go,daviddrysdale/certificate-transparency-go,google/certificate-transparency-go,RJPercival/certificate-transparency-go,daviddrysdale/certificate-transparency-go,daviddrysdale/certificate-transparency-go,RJPercival/certificate-transparency-go