update google group link

rogerwang · rogerwang · commit e43e19be445c · 2015-01-15T00:19:08.000+08:00
diff --git a/README.md b/README.md
@@ -96,12 +96,10 @@ And our [Wiki](https://github.com/rogerwang/node-webkit/wiki) for much more.
 
 ## Community
 
-We use the [node-webkit group](http://groups.google.com/group/node-webkit) as
-our mailing list (use English only). Subscribe via [node-webkit+subscribe@googlegroups.com](mailto:node-webkit+subscribe@googlegroups.com).
+We use the [google group](https://groups.google.com/d/forum/nwjs-general) as
+our mailing list (use English only). Subscribe via [nwjs-general+subscribe@googlegroups.com](mailto:nwjs-general+subscribe@googlegroups.com).
 Issues are being tracked here on GitHub.
 
-You can chat with us on IRC in the ##node-webkit channel on irc.freenode.net  
-
 ## License
 
 `node-webkit`'s code in this repo uses the MIT license, see our `LICENSE` file. To redistribute the binary, see [How to package and distribute your apps](https://github.com/rogerwang/node-webkit/wiki/How-to-package-and-distribute-your-apps)
