demo(modal): Use 'h3' tag in template instead of 'h1'

Author: pkozlowski-opensource

src/dialog/docs/demo.js

@@ -2,7 +2,7 @@ function DialogDemoCtrl($scope, $dialog){
 
   // Inlined template for demo
   var t = '<div class="modal-header">'+
-          '<h1>This is the title</h1>'+
+          '<h3>This is the title</h3>'+
           '</div>'+
           '<div class="modal-body">'+
           '<p>Enter a value to pass to <code>close</code> as the result: <input ng-model="result" /></p>'+

src/modal/docs/demo.html

@@ -2,7 +2,7 @@
     <button class="btn" ng-click="open()">Open me!</button>
     <div modal="shouldBeOpen" close="close()" options="opts">
         <div class="modal-header">
-            <h4>I'm a modal!</h4>
+            <h3>I'm a modal!</h3>
         </div>
         <div class="modal-body">
             <ul>