tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/is-promise/readme.md b/tools/node_modules/eslint/node_modules/is-promise/readme.md
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+<a href="http://promises-aplus.github.com/promises-spec"><img src="http://promises-aplus.github.com/promises-spec/assets/logo-small.png" align="right" /></a>
+# is-promise
+
+  Test whether an object looks like a promises-a+ promise
+
+ [![Build Status](https://img.shields.io/travis/then/is-promise/master.svg)](https://travis-ci.org/then/is-promise)
+ [![Dependency Status](https://img.shields.io/gemnasium/then/is-promise.svg)](https://gemnasium.com/then/is-promise)
+ [![NPM version](https://img.shields.io/npm/v/is-promise.svg)](https://www.npmjs.org/package/is-promise)
+
+## Installation
+
+    $ npm install is-promise
+
+You can also use it client side via npm.
+
+## API
+
+```javascript
+var isPromise = require('is-promise');
+
+isPromise({then:function () {...}});//=>true
+isPromise(null);//=>false
+isPromise({});//=>false
+isPromise({then: true})//=>false
+```
+
+## License
+
+  MIT