first commit (refs #158)
new file:   lib/script/scraping.rb
Remove artist.path_key
Remove column artists.path_key
Remove path_key from Artist Model
Remove path_key from artist_controller_spec and common_helper
Remove test about path_key from artist_spec
Create common scraping script
fix common_helper bug
Merge branch 'create-scraping' of https://github.com/i-d-e-a-t/fesdy into create-scraping
Remove path_key from seeds.rb
Commonize scraping script
delete scraping.rb(sorry for nakaso) and modify result of scraping
Resolve confilct and modify unless block according to rubocop
Switch seeds file to yml from json
resolve confilct of merging master
merge inazumarock branch
Add inazuma rock fes to seeds.yml
Remove path_key from artists file
Remove magic comment
Modify not to use path_key