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