requirements: ruby gem install fpm

./build_yum_repo_setup.sh will build packages for installing yum source from our custom repo

./copy_binaries.sh add our custom packages to this repo

sudo ./release.sh script should be run on the repo server after new packages are added or updated

Testing: sudo rpm -Uvh https://repos.kismatic.com/el/7/x86_64/kismatic-repo-el-7-1.x86_64.rpm will install the repo source on a local box

TODO: could sign metadata as well, less used gpg --detach-sign --armor repodata/repomd.xml