minimatch doesn't match contents of directories

[jonvuri]

From eslint/eslint#1069.

Unsure if this is intended or not, so opening this just to make sure it's been considered (couldn't find any tests).

.gitignore will match all of the contents of a directory even without a **glob. The following would all be (mostly) equivalent:

foo/bar
foo/bar/
foo/bar/**

This isn't the case for minimatch. The first two will only match the directory itself, while the last one will match all the contents.

[isaacs]

This module is a parallel to fnmatch(3). If you want something like .gitignore behavior, you probably want fstream-ignore.