Make border conditional in crumbs
Summary: Add a setBorder call to CrumbsView to be more deliberate when a border is drawn. Could not find any CSS hacks to set it conditionally CSS.
Test Plan: Browsed every application that called crumbs and make a design decision. Also fixed a few bad layouts.
Reviewers: btrahan, epriestley
Reviewed By: btrahan
Subscribers: Korvin, epriestley
Differential Revision: https://secure.phabricator.com/D11533