converted powers dialog to applicationv2

src/templates/dialogHeader.html

@@ -0,0 +1,7 @@
+<header>
+  <img src="{{icon}}" height="64" width="64" class="flex0 mbSwadeIcon" title="{{name}} Effect" alt=" " />
+  <div class="flexcol mbSwadeTitle">
+    <h2>{{headerTitle}}</h2>
+    {{#if headerSubtitle}}<p>{{headerSubtitle}}</p>{{/if}}
+  </div>
+</header>