fixed problems with multiple users exporting the same feed, also added state directory support.

completed left over TODOs in feed.js only one left is to set the bool that allows you to click on a feed and view its data.
Merge branch 'dev' of https://github.com/votinginfoproject/Metis into dev

Conflicts:
	feed-exporter/exporter.js
	public/app/partials/aside.html
	public/assets/js/app/app.js
	services/HttpCallbacks.js