Treat emoji characters differently 

REF: #361 
Nice. A few things:

- Everything should be proxied for privacy reasons. Use our image proxy like this: https://duckduckgo.com/iu/?u=http%3A%2F%2Fwww.emoji-cheat-sheet.com%2Fgraphics%2Femojis%2Fcyclone.png

- What is the license of this image? What are the terms of usage?