[$] Flatpaks for Fedora 27

A proposalto add Flatpak as an option fordistributing desktop applications in Fedora 27 has recently made anappearance. It is meant as an experimentof sorts to see how well Flatpak and RPM will play together-and to fix anyproblems found.There is a view that containers are the future, on the desktop as well asthe server; Flatpaks would provide Fedora one possible path toward that future.The proposal sparked a huge thread on the Fedora develmailing list; while the proposal itself doesn't really change much forthose uninterested in Flatpaks, some are concerned with where Fedorapackaging might be headed once the experiment ends.