Add recent reviews filter

Add filter to show only approved vendors with approved reviews under
"Recently Reviewed"
Change settings_private to settings_local

This naming convention is slightly more logical because
not all local settings are private, but all private settings
are local.
Merge branch 'master' of github.com:/steventlamb/django-vegancity
Fix up build tools
Merge branch 'master' of github.com:steventlamb/django-vegancity
Merge pull request #99 from cwimbrow/bug/recent-reviews-issue95

Add recent reviews filter