Summary: Basic integration between Phriction and feed.
Test Plan: Created and edited some documents, they published to feed.
Reviewed By: hsb
Reviewers: hsb, codeblock, jungejason, tuomaspelkonen, aran
CC: aran, hsb
Differential Revision: 653
Summary: Basic hookup for Differential -> Feed. Also introduces "one-line"
stories for less-important stuff.
Test Plan: Interacted with some revisions, got feed stories out of it.
Reviewed By: jungejason
Reviewers: jungejason, aran, tuomaspelkonen, codeblock
CC: aran, jungejason
Differential Revision: 632
