Merge pull request #635 from hideokamoto/patch-1

Docs: ask-sdk-controls is already published in npm

ask-sdk-controls/doc/userGuide.md

@@ -288,12 +288,10 @@ launch.json file with suitable targets.
 
 ## 2.7. Get the source code
 
-To get the Controls Framework source code for perusal or for development, clone the
-ASK-SDK v2 github repo, and locate the Controls Framework project:
+Install [`ask-sdk-controls`](https://www.npmjs.com/package/ask-sdk-controls) from npm
 
 ```bash
-git clone https://github.com/alexa/alexa-skills-kit-sdk-for-nodejs/
-cd alexa-skills-kit-sdk-for-nodejs/ask-sdk/ask-sdk-controls
+npm install -S ask-sdk-controls
 ```
 
 ## 2.8. Run the Controls Framework regression tests
@@ -2449,4 +2447,4 @@ this.categoryControl = new ListControl(
 # 7. Reference
 
 For per-class and per-method documentation, please see the [Technical
-documentation](https://ask-sdk-controls-typedoc.s3.amazonaws.com/index.html).
+documentation](https://ask-sdk-controls-typedoc.s3.amazonaws.com/index.html).