linebreaks allowed in chat input via `shift`+`enter`

* `enter` still sends chat message
* you have ~8 lines before you'll scroll your gif out of the chat
    (perhaps this will discourage over use)
cleanup comments
Merge pull request #37 from diffalot/linebreaks

linebreaks allowed in chat input via `shift`+`enter`
Merge pull request #38 from poswald/master

Mirror the chat preview window. Totally not tested but that should work.
dump img
Only match once bro!
Merge pull request #40 from poswald/mirror-flip-preview

I'll get it eventually
Merge pull request #39 from jorygraham/oh-god-my-regexp

Only match once bro!
Add an explicit ordering, link goes first
Merge pull request #41 from jorygraham/oh-god-my-regexp

Add an explicit ordering, link goes first
just put that back in