cmd/utils: print messages from package log through glog
cmd/utils: print messages from package log through glog

Some of the dependencies use package log. This change ensures that the
log output looks uniform and respects glog flags.

maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum