Removal of localStorage

Here's a pull request for issue #51. It's not ready to be merged yet.

To do:

- [x] Remove localStorage usage 
- [x] Populate dashboard by sniffing gist list
- [x] Filter gists by state
- [x] Delete button should set state appropriately
- [x] Need to make sure logged-out users can still use the interface, even though they wont be able to save for the time being