Apply subreddit filters to /me/f/all

Closes #1465. Apply subreddit filters to `/me/f/all` along with `/r/all` and `/domain/*` urls, with no url discrimination.

-----

**Note: Work in progress**

Tasks: 

- [ ] sync with `http://www.reddit.com/api/filter/user/<username>/f/all`?
- [ ] review from maintainers