chore(npm): Update package name in readme and doc

Author: marcbachmann

README.md

@@ -26,7 +26,7 @@ For the roadmap, check [issue #3](https://github.com/angular-ui/ui-select/issues
 
 ### npm
 ```
-$ npm install angular-ui-select
+$ npm install ui-select
 ```
 ### bower
 ```

docs/index.html

@@ -149,7 +149,7 @@ <h3>Dependencies</h3>
 
             <h3>Installation</h3>
             <h4>Install via npm</h4>
-            <pre>$ npm install angular-ui-select</pre>
+            <pre>$ npm install ui-select</pre>
             <h4>Install via bower</h4>
             <pre>$ bower install angular-ui-select</pre>
             <p>