R1:0c2147336ca4

File list now shows only files which are explicitly uploaded

Summary: Added explicit tags to files which are explicitly uploaded. Fixes T2749

Test Plan: Tested by checking out the files application.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2749

Differential Revision: https://secure.phabricator.com/D5406