Replacing add/removeClass class with switchClass
Changing scope of sr-inverted click event

Fixes #412
Removing rule adding from new stream form, linking to rule editor
instead

Fixes #409
Fixing stuff that broke due to styling changes

Fixes #410 #411
add new font files

use them from a different css files so it's easy to revert/try out

issue #361
use new font files with fallbacks for windows

fixes issue #361
Merge git://github.com/Graylog2/graylog2-web-interface into develop