Misc Phame Updates

Summary: Color nodata as nodata, fix picture redirect, give hints when items aren't set on blogs. Ref T9897

Test Plan: Tested each of these items.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9897

Differential Revision: https://secure.phabricator.com/D14657