Summary: Moves toward unblocking D3547. Use a pinboard/album view to show image macros. Modernize and make (mostly) responsive.
Test Plan: Will attach screenshots.
Reviewers: btrahan, vrana, chad, teisenbe
Reviewed By: vrana
CC: aran
Maniphest Tasks: T175
Differential Revision: https://secure.phabricator.com/D3576
