doc: replace head of readme with updated text

PR-URL: nodejs#3482
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

README.md

@@ -1,19 +1,16 @@
-
 Node.js
-=====
+=======
 
 [![Gitter](https://badges.gitter.im/Join Chat.svg)](https://gitter.im/nodejs/node?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-This repository began as a GitHub fork of
-[joyent/node](https://github.com/joyent/node).
-
-Node.js contributions, releases, and contributorship are under an
-[open governance model](./GOVERNANCE.md).
-We intend to land, with increasing regularity, releases which are
-compatible with the npm ecosystem that has been built to date for
-Node.js.
+The Node.js project is supported by the
+[Node.js Foundation](https://nodejs.org/en/foundation/). Contributions,
+policies and releases are managed under an
+[open governance model](./GOVERNANCE.md). We are also bound by a
+[Code of Conduct](./CODE_OF_CONDUCT.md).
 
-We also have a Code of Conduct. [Please read it.](./CODE_OF_CONDUCT.md)
+If you need help using or installing Node.js, please use the
+[nodejs/help](https://github.com/nodejs/help) issue tracker.
 
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