delete numbering scope
Merge branch 'master' of https://github.com/MiraitSystems/enju_trunk
Merge branch 'master' of https://github.com/MiraitSystems/enju_trunk
add migration file to add order_id column to items
refs 6199 numberingの修正
Merge remote-tracking branch 'origin/master'
add index
Merge branch 'master' of https://github.com/MiraitSystems/enju_trunk
Merge remote branch 'origin/master' into issue6694
refs 6694 LanguageTypeの対応

シリーズステートメントのnew,edit,showに対応