docs: Specified minimum Semantic UI CSS version

Author: edcarroll

README.md

@@ -41,7 +41,7 @@ See the [Documentation](https://edcarroll.github.io/ng2-semantic-ui) for install
 ## Dependencies
 
 * [Angular](https://angular.io) (^4.3.1)
-* [Semantic UI CSS](http://semantic-ui.com/) (jQuery is **not** required)
+* [Semantic UI CSS](http://semantic-ui.com/) (^2.2.13) (jQuery is **not** required)
 
 ## Component Support
 

demo/src/app/pages/getting-started/getting-started.page.html

@@ -46,6 +46,6 @@ <h2 class="ui dividing header">Installation</h2>
     <h2 class="ui dividing header">Dependencies</h2>
     <div class="ui bulleted list">
         <div class="item"><a href="https://angular.io">Angular</a> (^4.3.1)</div>
-        <div class="item"><a href="http://semantic-ui.com/">Semantic UI CSS</a> (jQuery is <strong>not</strong> required)</div>
+        <div class="item"><a href="http://semantic-ui.com/">Semantic UI CSS</a> (^2.2.13) (jQuery is <strong>not</strong> required)</div>
     </div>
 </demo-page-content>