Merge tag '20141019.0' into develop

migrateのバグを修正
Merge branch 'master' into develop
Spreadsheetへの書き込み行が間違っていたので修正
Merge pull request #3 from masuidrive/feature/fix_date_func

Spreadsheetへの書き込み行が間違っていたので修正
Merge branch 'release/20141021.0'