R1:69d087a1d717

Replaced AphrontCrumbsView with PhabricatorCrumbsView in PhrictionDiffController

Summary: Same as title

Test Plan: By checking in Phriction UI in Phabricator

Reviewers: epriestley, AnhNhan

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5327