Update history.js to v1.8b2
Update to FitVids.JS 1.1
Update NProgress to 0.1.6
Update Normalize.css to 3.0.1
Merge pull request #49 from postblue/update-jquery

Update history.js and FitVids.js to their latest version.
Merge pull request #50 from postblue/update-nprogress

Update NProgress to 0.1.6
Merge pull request #51 from postblue/update-normalize

Update Normalize.css to 3.0.1
Merge branch 'master' of https://github.com/roryg/ghostwriter into clean-local-fonts