first try instant scrolling, then delayed
Improve behaviour of top line
use positition fixed to eliminate problem with title being too long and
pushing the content to being two lines instead of one
New setting for hiding timestamps
Make text inputs dark insets
keyHandler for buffer searching
Support more URLs for youtube and request html5 player to improve
performance of embedding
Fix prefix wrapping again

nowrap is not enough because it still breaks on hyphens sometimes. But
since we're using pre now, we need to make sure no whitespace/newline is
around each <span> because they will be outputted.
Make the buffer text a little higher over the input bar

This is because the glow around the input bar falls a little bit over
the buffer text and it's annoying.
Add Terminus and Inconsolata to default fonts
Decrease bufferlines font size