Add snoovatars.
Feature: Put snoovatars behind feature flag.
Load images from reddit.
Images loaded from the S3 are 'tainting' the canvas, prevent the colorization feature from working.
Temporarily load from reddit.com for internal testing while we figure out a better solution.
Fix icon paths for production.
Update media URL functions for protocol-relative style.

This is part of a change to core to remove the separate domain for S3
HTTPS images for performance.
Restructure gold info page

Create is_top property for features and partners.
Features with is_top=True will be shown above the
partners list. Partners with is_top=True will be
shown on this page. A link to the remaining partners
is shown after the top partners. The rest of the features
in other_features will be shown below top_partners.