Help text for photo uploading
Whitespace fix: PEP 8 asks for two empty lines between classes
add favicons and appropriate link tags in base.html
Merge remote-tracking branch 'github/photo_upload_help'
Cached counts app and management command
Order by -count, name as there are duplicate names
Use `get_or_create` to update counts

Thanks to @dracos for pointing out the `defaults` argument
Emit a person_added signal on creating new people
Refactor test to allow calling from elsewhere

It's useful to test creating a person from other places, so mock_create_person
does all the hard work, leaving the test case to just test for person creation
Use mock_create_person to test increments work
Add new counts to cache table
Remove unneeded imports
Add ReportsHomeView and nav item
Convert section to ul