fix(demo/textAngular.com.html): fixed issue #611 by adding a 'clearfix' to the ta-text-editor-class attribute.

Author: JoelParke

src/demo/textAngular.com.html

@@ -37,7 +37,7 @@
             <span class="text-xlg roboto">A Lightweight, Two-Way-Bound &amp; Totally <b class="text-red">Awesome</b> Angular.js Text-Editor</span>
         </div>
         <div class="container lighter">
-            <div text-angular ng-model="htmlContent" name="demo-editor" ta-text-editor-class="border-around container" ta-html-editor-class="border-around"></div>
+            <div text-angular ng-model="htmlContent" name="demo-editor" ta-text-editor-class="clearfix border-around container" ta-html-editor-class="border-around"></div>
         </div>
         <br>
         <div class="container text-center lighter border-around">