北区4,5,6を追加
手稲区のデータ
Merge branch 'teine-data'
北区のデータ
Merge remote-tracking branch 'upstream/master' into add_kita-ku

Conflicts:
	data/area_days.csv
Merge branch 'kitaku-data'
Merge remote-tracking branch 'upstream/master' into add_kita-ku
厚別区データ
Merge branch 'atsubetu'
Merge pull request #8 from planset/add_kita-ku

Add kita ku 4 5 6
Add chuork-01
Add chuork-02
Add chuork-03
Add chuork-04
Add chuork-05
Add chuork-06
Add prefix '中央区'
Adjust order