Merge pull request #3337 from blink1073/update-readme

Point users to default conda channels

README.md

@@ -40,7 +40,7 @@ For a good overview of JupyterLab, please see [this link](https://channel9.msdn.
 If you use ``conda``, you can install as:
 
 ```bash
-conda install -c conda-forge jupyterlab
+conda install jupyterlab
 ```
 
 If you use ``pip``, you can install it as:

docs/extensions_user.md

@@ -11,7 +11,7 @@ Installing JupyterLab extensions requires Node.js version 4+.
 If you use ``conda``, you can get them with:
 
 ```bash
-conda install -c conda-forge nodejs
+conda install nodejs
 ```
 
 If you use [Homebrew](http://brew.sh/) on Mac OS X: