Update jquery mousehweel to v3.1.11.
Update deps.
Add link to the webchat.
Update Bootstrap to v3.2.0.
Update dependencies.
Update dependencies.
Update files for Jekyll 2.1.x.
uncss: add missing navbar classes.
Update website for v1.7.6.
Merge pull request #35 from mpc-hc/1.7.6

Update website for v1.7.6.
Fix typo.
Switch to `span` for the navbar mobile toggle icons.
Update dependencies.
Move the button text a little lower in all resolutions.
Minor image compression improvement by using kraken.io (lossless).
Compress thumbs lossy.
Update third-party license information.
Update dependencies.
Update to Jekyll v2.2.x.
Remove `layout: nil`.

It throws a warning with the latest Jekyll.