Add Flask-Flatpages into stable requirements.

Conflicts:
	requirements/stable.pip
Use Flask-FlatPages with it's own blueprint and templates.
Add a flat page example.
Use bower for front end libraries.
Add app/static/vendor into .gitignore.
Add AngularJS library and some plugins.
Make a listing with an Angular controller.
Remove the old listing.coffee.
Remove dusty and dust.js everywhere.
Remove unneccessary ajax, singleton and service/api-service under static/coffee.
Remove listing.dust template and the dust directory holding it.
Use symlink for bower_components instead of setting the directory where bower installs to make grepping code easier.
Include Bootstrap differently.
Add AngularJS library and some plugins.
Make a listing with an Angular controller.
Remove the old listing.coffee.
Remove dusty and dust.js everywhere.
Remove unneccessary ajax, singleton and service/api-service under static/coffee.
Remove listing.dust template and the dust directory holding it.
Add config Angular service.