migrate from travis-ci.org to travis-ci.com

https://docs.travis-ci.com/user/open-source-repository-migration/

Author: shinnn

README.md

@@ -1,7 +1,7 @@
 # clean-css-promise
 
 [![npm version](https://img.shields.io/npm/v/clean-css-promise.svg)](https://www.npmjs.com/package/clean-css-promise)
-[![Build Status](https://travis-ci.org/shinnn/clean-css-promise.svg?branch=master)](https://travis-ci.org/shinnn/clean-css-promise)
+[![Build Status](https://travis-ci.com/shinnn/clean-css-promise.svg?branch=master)](https://travis-ci.com/shinnn/clean-css-promise)
 [![Coverage Status](https://img.shields.io/coveralls/shinnn/clean-css-promise.svg)](https://coveralls.io/github/shinnn/clean-css-promise?branch=master)
 
 [clean-css](https://github.com/jakubpawlowicz/clean-css) with the default [Promise](https://developer.mozilla.org/docs/Mozilla/JavaScript_code_modules/Promise.jsm/Promise) interface and some improvements
@@ -16,7 +16,7 @@ new CleanCssPromise()
 
 ## Installation
 
-[Use](https://docs.npmjs.com/cli/install) [npm](https://docs.npmjs.com/getting-started/what-is-npm).
+[Use](https://docs.npmjs.com/cli/install) [npm](https://docs.npmjs.com/about-npm/).
 
 ```
 npm install clean-css-promise