The default release for fedora is actually 21 for us, and we are unable
to build 22 right now.
This reverts commit 379d6a2650.
Change-Id: Iffcc505f1e115cb6bc662b57a78878e498ce338e
Updates the various operating system elements so that we
set the DISTRO_NAME variable for each distro.
This env var is used by bin/pkg-map to set the default
distribution name for package name mappings.
Change-Id: Ib4b05eb7191dd50d25799a0bac51fd15c01b74cb