[#66714024] add format csv option
[#66714024] add link to download csv
[#66714024] make csv
[#66714024] add style to position button
add rake task for admin
Merge remote-tracking branch 'origin/master' into 66714024-download-ranking-csv
[#66714024] add school name to csv
[#66714024] leave blank instead of putting 'unknown'