お客側：メッセージ一覧、表示
Merge branch 'master' of https://github.com/asl-develop/vip-line into topic-customer-message
指摘の対応
Merge pull request #15 from asl-develop/topic-customer-message

Topic customer message
reserveモデル追加、お客：予約の表示
Merge pull request #16 from asl-develop/topic-customer-reserve

reserveモデル追加、お客：予約の表示
お店側：予約の返信
Merge branch 'master' of https://github.com/asl-develop/vip-line into topic-shop-reserve
指摘の修正
Merge pull request #17 from asl-develop/topic-shop-reserve

Topic shop reserve
shop_id関連の不具合修正
競合解決