git/hooks: Add missing package dependency

This had been found by misc during his review of the patches, but the
unfixed patch is what got merged.

https://fedorahosted.org/fedora-infrastructure/ticket/4452
git/hooks: Express the role dependency properly

This had been found by misc during his review of the patches, but the
unfixed patch is what got merged.

https://fedorahosted.org/fedora-infrastructure/ticket/4452
cgit/make_pkgs_list: Remove useless new lines

This had been fixed during the review of the patches, but the unfixed
patch is what got merged.

https://fedorahosted.org/fedora-infrastructure/ticket/4452
Add support for packaging groups

This had already been done by Pierre-Yves Chibon in puppet (commits
4cc2ef and 47f29f), I'm just porting it here in Ansible so we don't miss
it.
Setup for F21 branching

This change had been made by Dennis Gilmore in puppet (commit 8dc43c),
I'm just porting it here to Ansible so we don't miss it.
distgit: Express the role dependency properly

This had been found by misc during his review of the patches, but the
unfixed patch is what got merged.

https://fedorahosted.org/fedora-infrastructure/ticket/4452
distgit: One action per task

This had been found by misc during his review of the patches, but the
unfixed patch is what got merged.

https://fedorahosted.org/fedora-infrastructure/ticket/4452
more to add to compute node
fix path

so I do not need to use force