Add an "IRC Object Name" handler for D12345

Summary:
I need to add some more conduit methods / info to make this at all useful but
here's some basics.

Test Plan:
Hung out in #phabot-test

Reviewed By: mroch
Reviewers: mroch, codeblock, aran, jungejason, tuomaspelkonen
CC: aran, mroch, epriestley
Differential Revision: 300