RedditSearch - update design
RedditSearch - add arrow-up icon and move relative date closer to comment count
RedditSearch - add arrow_up.png as icon asset
RedditSearch - move date closer to comments and add comments
RedditSearch: graphic tweaks
Guidebox: Check the properties in the normalize function.

We remove the relevancy block because it currently requires a `key` to work properly. Since we don't have any keys to provide it, we check the properties in the `normalize` function instead. (For now, at least.)
RedditSearch: modify relative date algorithm and graphics
RedditSearch - graphic tweaks
use Image model for images so it can dedup across multiple calls
Merge pull request #950 from duckduckgo/brian/image-model

Image Model
RedditSearch - avoid title ellipsis on second line
Merge pull request #944 from duckduckgo/jag/guidebox

Guidebox: Check the properties in the normalize function.
Merge pull request #925 from MariagraziaAlastra/redditsearch

RedditSearch - update design