Shorten links with dagd for irc.
Merge pull request #11 from fedora-infra/feature/shorten-with-dagd

Shorten links with dagd for irc.
Provide shortlinks back to filters that trigger messages.

This lets users figure out why they are receiving messages so they can
tweak their settings.

Fixes #9.
Merge pull request #13 from fedora-infra/feature/short-backlinks

Provide shortlinks back to filters that trigger messages.
Merge branch 'develop' into feature/queue-when-no-clients

Conflicts:
	fmn/consumer/backends/irc.py
Handle incomplete recipient dict.