Use hash query params for invites

@ianjorgensen This should fix your problem. There wasn't much to do once we're using the hash query params, so this single commit should make everything "work" like you wanted. Take a look and merge if you're good with it?

I've updated `hydrophone`'s config to `2014-10-16-v2` which reflects this new URL format (/cc @jh-bate), i.e.:

```
https://devel-blip.tidepool.io/#/login?inviteEmail=bob@example.com&inviteKey=abc123
```