The root user tries to `sudo -u stack`, without a tty,
causing fedora+devstack images builds to fail in Jenkins.
Change-Id: Ia0a7fb315cf9bd17cf250e70dba06363a697c97c
ARM doesn't have a generic Linux image due to the soc-specific nature of Linux
kernels today, so we drop the manual installation of that package, replacing it
with a dist-upgrade instead. This involved tweaks to the dpkg and fedora
install-package scripts.
Change-Id: I97924b80ca87781307e1087b9fe4b18215770e84
Also add redhat-lsb to Fedora images for lsb_release which should prove
useful as a way to do distro-specific things.
Change-Id: Ie32566349319ca244fa02065bb9f81c36c1b49fb