vagrant-berkshelf
fix attachments description #491
update comments
Merge pull request #229 from hamaco/fix/491-retry

チケットのファイルに説明つけれないバグ修正
Merge pull request #227 from hamaco/fix-readme

vagrant-berkshelfの記述追加
Merge branch 'master' of https://github.com/yandod/candycane