Better countWatchers

The old one missed a few, two on the input and the one in the title.
This version also doesn't use jQuery

From: http://stackoverflow.com/a/18539624 by StackOverflow user "plantian"
Remove unnecessary uses of jQuery and dead code

Native code is faster anyways ;)
Merge pull request #275 from glowing-bear/countWatchers

Better countWatchers, remove jQuery uses
Add space to bottom of bufferlines
Merge pull request #278 from glowing-bear/uifix

Add space to bottom of #bufferlines
Create bufferline directive
[WIP] Add link function