Merge remote-tracking branch 'upstream/master'
Move to No.16

Conflicts:
	README.md
Merge branch 'pinzolo-add-release'
Merge pinzolo-add-release
Merge branch 'master' of github.com:awayuki/sushiyuki-for-engineers

@pinzolo さんのPR分を、コンフリクトを解消してコミット