* Display custom emoji in picker
Adds a single category at the start of the emoji picker to display the user's custom emoji
* Show any amount of custom emoji packs in the Emoji Board
* Use thumbnails in emoji picker + mark as emoji
* Fix emoji picker stretching when too many packs are available
* Sprinkle in a few comments for good measure
* Remove emoji-less packs from the emoji picker
Emi
b2d7164296