Merge pull request #310 from prose/faster

Faster github api usage
detect jekyll in normalized content
fixing jekyll flag
Merge tag 'v1.0.0' into gh-pages

New UI, metadata editor, and more.
Allow build files for gh-pages
Build
Class names on page views and remove target blanks. we dont need this.
Merge branch 'master' of github.com:prose/prose
Condition app.state.config is set
Global dirty object and fix window.beforeunload