Add foreign key migration file of admins.
Merge branch 'migration_fix' of ssh://svn.webimpact.co.jp/home/git/AOKI_EC into migration_fix
manage tests for FK & UQ restriction
Add foreign key migration file of customers.
ユニークキーのためにコード修正
Add foreign key migration file of orders.
Add master table to item_categories.
refs #12195
Add foreign key migration file of items.
カテゴリ関連テーブルにマスターフラグを持たせつつ、seedで投入したマスターデータにフラグを立てる
Fix migration bug (foreign key constraint).
最新DB定義に基づいてモデルを再生成　（oil r fromdb:model --all  --no-migration --force）
Merge branch 'development' into products_dev
modify item create and update code logic
create category controller ,view and template
fixed bug of editing item cloth image
fixed item_test,item_skus_test
Fix failed test of orders. (foreign key constraint)
Merge branch 'migration_fix' into development
Add foreign key migration file of other tables.
Merge branch 'migration_fix' into development