未請求一覧、未払一覧を作成
Merge pull request #5 from yada-ITA/addAccounts

Add accounts
Merge pull request #5 from yada-ITA/develop

会計関係の画面作成（開発用）
Merge branch 'staging' of https://github.com/myama2630/r2system into develop
Merge branch 'staging' of https://github.com/myama2630/r2system into develop

Conflicts:
	db/schema.rb
試行に向けて初期データの修正。
Merge pull request #11 from yamadashizuka/develop_for_sprint0.8

seed.rbを修正。