crane: don't require mercurial, bzr and git to build

We don't really use them in the build process.
docker-registry: don't require git for building the package
gandalf-server: don't require git, mercurial and bzr for building the package
tsuru-admin: don't require hg, bzr and git for building the package
tsuru-deb: don't require hg, git and bzr for building the package
tsuru-mongoapi: don't require bzr and git for building the package
tsuru-server: don't require hg, git and bzr for building the package