Newer Posts button fix

the {{if next}} at the start of pagination.hbs prevented the last page of blogs from showing a Newer Posts button
Merge pull request #26 from ThaWeatherman/master

Newer Posts button fix
Import highlight-js GitHub style
Update theme version
Merge branch 'master' of https://github.com/daleanthony/uno
Use CloudFlare's Highlight CDN
Bump up version