Makefile: Add target 'install-revive' to build revive with the
installation path specified by variable REVIVE_INSTALL_DIR.
Add utils directory with scripts for building revive in a container.
Add utils/build-revive.sh taking option argument '-o <install-dir>' to
build revive with the specified install directory.
Add utils/revive-builder-debian.dockerfile to make a docker container
for building revive in a Debian environment.