Updating README: Travis CI icon (#31279)

As part of a conference launch event, the URL for the broader
Microsoft GitHub organization changed its casing. This updates
the Travis CI badge URL to represent this change. Unfortunately
the underlying serivce is not case insensitive.

Author: jeffwilcox

README.md

@@ -1,5 +1,5 @@
-[![Build Status](https://travis-ci.org/Microsoft/TypeScript.svg?branch=master)](https://travis-ci.org/Microsoft/TypeScript)
-[![VSTS Build Status](https://dev.azure.com/typescript/TypeScript/_apis/build/status/Typescript/node10)](https://dev.azure.com/typescript/TypeScript/_build/latest?definitionId=4&view=logs) 
+[![Build Status](https://travis-ci.org/microsoft/TypeScript.svg?branch=master)](https://travis-ci.org/Microsoft/TypeScript)
+[![VSTS Build Status](https://dev.azure.com/typescript/TypeScript/_apis/build/status/Typescript/node10)](https://dev.azure.com/typescript/TypeScript/_build/latest?definitionId=4&view=logs)
 [![npm version](https://badge.fury.io/js/typescript.svg)](https://www.npmjs.com/package/typescript)
 [![Downloads](https://img.shields.io/npm/dm/typescript.svg)](https://www.npmjs.com/package/typescript)
 
@@ -28,14 +28,14 @@ npm install -g typescript@next
 There are many ways to [contribute](https://github.com/Microsoft/TypeScript/blob/master/CONTRIBUTING.md) to TypeScript.
 * [Submit bugs](https://github.com/Microsoft/TypeScript/issues) and help us verify fixes as they are checked in.
 * Review the [source code changes](https://github.com/Microsoft/TypeScript/pulls).
-* Engage with other TypeScript users and developers on [StackOverflow](https://stackoverflow.com/questions/tagged/typescript). 
+* Engage with other TypeScript users and developers on [StackOverflow](https://stackoverflow.com/questions/tagged/typescript).
 * Join the [#typescript](https://twitter.com/search?q=%23TypeScript) discussion on Twitter.
 * [Contribute bug fixes](https://github.com/Microsoft/TypeScript/blob/master/CONTRIBUTING.md).
 * Read the language specification ([docx](https://github.com/Microsoft/TypeScript/blob/master/doc/TypeScript%20Language%20Specification.docx?raw=true),
  [pdf](https://github.com/Microsoft/TypeScript/blob/master/doc/TypeScript%20Language%20Specification.pdf?raw=true), [md](https://github.com/Microsoft/TypeScript/blob/master/doc/spec.md)).
 
-This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see 
-the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [[email protected]](mailto:[email protected]) 
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see
+the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [[email protected]](mailto:[email protected])
 with any additional questions or comments.
 
 ## Documentation
@@ -71,17 +71,17 @@ npm install
 Use one of the following to build and test:
 
 ```
-gulp local            # Build the compiler into built/local 
-gulp clean            # Delete the built compiler 
+gulp local            # Build the compiler into built/local
+gulp clean            # Delete the built compiler
 gulp LKG              # Replace the last known good with the built one.
                       # Bootstrapping step to be executed when the built compiler reaches a stable state.
-gulp tests            # Build the test infrastructure using the built compiler. 
-gulp runtests         # Run tests using the built compiler and test infrastructure. 
-                      # You can override the host or specify a test for this command. 
-                      # Use --host=<hostName> or --tests=<testPath>. 
+gulp tests            # Build the test infrastructure using the built compiler.
+gulp runtests         # Run tests using the built compiler and test infrastructure.
+                      # You can override the host or specify a test for this command.
+                      # Use --host=<hostName> or --tests=<testPath>.
 gulp baseline-accept  # This replaces the baseline test results with the results obtained from gulp runtests.
 gulp lint             # Runs tslint on the TypeScript source.
-gulp help             # List the above commands. 
+gulp help             # List the above commands.
 ```