* adding package signing steps for rpm and deb
* first spike at GPG signing with CI and containers
* refine ubuntu portion
* get correct gpg package version
* adding CentOS support
* fixing errors in installing gpg on ubuntu
* base64 decode the GPG key
* fixing line continuations
* revised package signing, looking for package artifacts
* add dpkg-sig to ubuntu image
* sign all deb packges
* add passphrase to GPG process
* repeat yo slef on dpkg
* sign all the rpm packages too
* install rpm-sign in the CentOS docker image
* loop through rpm files
* no need for PIN on GPG signing
