Various improvements to Stack Exchange chat. All features are optional, and can be disabled individually. Includes:
* Dark theme – a light-on-dark theme with optional fixed-width font
* Quick-text button – quickly add snippets of text from a menu
* Drag and Drop uploading – drag and drop images onto the chat window to upload them
* Sidebar section collapsing – allow more room for the star list by hiding users/room info
* Room topic change notifier – get a diff message when the room topic is changed
* Image onebox hider – Fade out images and YouTube previews to 0.1 opacity until they are moused over
* Rebecca Black link checker – highlight potential links to ‘Friday’ by Rebecca Black
* Message burning – hide messages with a burning animation
* mod whois autocomplete, edit deleted messages, give users write permissions from within a room.