Massive construction work going on.
Include CodeMirror for proper markdown editing.
Make loading, editing and saving of existing posts work.
This and that.
Allow creation of new posts.
Make branch and post-dir configurable.
Have a dedicated place for utils.
Make the editor metadata-aware.
Use Open Sans.
Slightly more elegant syntax highlighting.
Share application state in window.app.state.
Load Jekyll config file, which holds Columnist configuration as well.
Minor patches to make Github.js more solid.
Keep selected repo in application state.

We may want to move this to the cookie session at some point.
lineWrapping? Yes.
Make the UI aware of the selected repo.
Landing page.
Use application state.
Updated Github.js
Added config.yml example.