Make the feed private, and add private datasets too
Merge branch 'master' into 529-rss-admins
Add tests for the dataset rss
Remove list_changes requires
Make the dataset RSS public and add tests

- Removed the admin-only requirement for the RSS.
- Admins can see private and public datasets in the RSS.
- Advertise the RSS feed in the datasets page.
- Test ALL THE THINGS.
Merge pull request #536 from openspending/529-rss-admins

Show the RSS for everyone and add tests (Fixes #529)
Revert "Make the feed private, and add private datasets too"

This reverts commit 7cd854382a12bf187fe14d38b719d2be3db3a02e.

Conflicts:

	openspending/ui/controllers/dataset.py
Revert "Revert "Make the feed private, and add private datasets too""

This reverts commit 6a379054543f31db8cb6466284aaeb3d6d3b6bb1.
Remove the if check for now
Remove all instances of show_rss
Merge branch 'master' into experiment-split-store