Auror-ify the header and icons.
new navbar frontend (bug 957299)
categories list page (bug 957363)
Update routes to use API v2, new feed/collections endpoint.
Revert "defer image loading on search listing (bug 898320)"

This reverts commit 828cc13362faf2d0fd0b816ef3acd58f7f60659b.
defer image loading (bug 898320)
Remove collection_image API route, afaict it's not used (bug 990295)
Use fireplace-specific endpoint for collections (bug 989331)

This endpoint was added in mozilla/zamboni@f780902
monkeypatch commonplace 0.3.0 secret token (bug 970598)
navbar fixes
listing page for new apps (bug 957350)
listing page for new apps, for desktop (bug 957350)
popular tab (bug 957351)
remove collections tab (feed)
navbar css fixes (feed)
test commit
fix app listings
feed listing app tiles
feed item tiles
address some review concerns