docker.allowed_images can use glob syntax in config.toml

executors/docker/executor_docker.go

executors/docker/executor_docker_test.go

vendor/github.com/mattn/go-zglob/LICENSE

vendor/github.com/mattn/go-zglob/README.md

vendor/github.com/mattn/go-zglob/fastwalk/fastwalk.go

...hub.com/mattn/go-zglob/fastwalk/fastwalk_dirent_fileno.go

...github.com/mattn/go-zglob/fastwalk/fastwalk_dirent_ino.go

...r/github.com/mattn/go-zglob/fastwalk/fastwalk_portable.go

vendor/github.com/mattn/go-zglob/fastwalk/fastwalk_unix.go

vendor/github.com/mattn/go-zglob/zglob.go

vendor/vendor.json