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 ;)
Remove old cruft
Improve CSS layout. Fix 98% bug that affects chrome/ff differently.

Conflicts:
	css/glowingbear.css
Pixel adjustments to attempt perfectly align icons in top bar
css: merge body tags
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
Fix bug where updateNickSpeak would fail on lines without a prefix
Travis: disable build success IRC notifications
Fix that bug where only one line was loaded

Let me tell the story backwards:
For some reason, only one line would be fetched in `fetchMoreLines`, but
neither `numLines` nor `buffer.requestedLines` were `undefined`. The
paramater `numLines` must have had some strange value, though.
`connection.fetchMoreLines` is invoked through the main controllers
`$scope.fetchMoreLines`, which sets the parameter to `$scope.lines` if it was
undefined before. That value is computed in `$scope.calculateNumLines`,
which takes the height of the lines area and divides it by the height of the first
bufferline. This computation is retriggered on every `resize` event.
The first bufferline is the 'fetch more lines' link at the top of the window. If the
currently active buffer doesn't have more lines, it is hidden with `ngHide`,
causing its `clientHeight` property to be `0`, and the number of lines to be
fetched `$scope.lines = Infinity` (due to a division by zero).
In `connection.fetchMoreLines`, the following request is then made:
`"buffer:0x" + buffer.id + "/own_lines/last_line(-" + numLines + ")/data"`
to which WeeChat responds with one line. Voilà, there's your mess.
Merge pull request #281 from glowing-bear/travisbequiet

Travis: disable build success IRC notifications
Merge pull request #282 from glowing-bear/fixonelinebug

Fix that bug where only one line was loaded
Merge pull request #280 from glowing-bear/fixnickspeak

Fix bug where updateNickSpeak would fail on lines without a prefix
Don't send input bar contents on buffer switch

Fixes #277
Improve encryption instructions
Merge pull request #285 from glowing-bear/encryptioninstructions

Improve encryption instructions
Merge pull request #283 from glowing-bear/fixsearch

Don't send input bar contents on buffer switch
Support clearing of buffer lines with command /c or /clear