Add front page of Fuzzer

res/imp/9/app-sk.html

 <!--
 `app-sk` provides general application layout, introducing a
-responsive scaffold containing a header, toolbar, menu, title and
+responsive scaffold containing a header, toolbar, rtoolbar, title and
 areas for application content, as well as automatic inclusion of
 common menu items, login status, and version tag.
 
 Example:
 
     <app-sk mode="standard" responsive_width="600px" drawer_width="230px">
       <h1 header>Title goes here</h1>
+      <foo-status-sk rtoolbar></foo-status-sk> <!-to be right aligned, on the top bar->
       <div navigation>Nav goes here</div>
       <div>Content goes here</div>
     </app-sk>
 
 Properties:
   mode - Controls header and scrolling behavior for the paper-header-panel.
       Options are "standard", "seamed", "waterfall", "waterfall-tall", "scroll"
       and "cover". Default is "standard".
 
   tall_class - The class used by the paper-header-panel in waterfall-tall mode.
@@ skipping 52 matching lines @@
   }
   </style>
   <template>
     <paper-header-panel id="headerPanel" mode="{{mode}}" tallClass="{{tall_class}}">
       <paper-toolbar>
         <template is="dom-if" if="{{_showMenuButton}}">
           <paper-icon-button id="menuButton" icon="icons:menu" on-tap="_togglePanel"></paper-icon-button>
         </template>
         <content select="[header], header, [toolbar], toolbar"></content>
         <div class="flex"></div>
+        <content select="[rtoolbar], rtoolbar"></content>
         <app-menu-sk></app-menu-sk>
         <login-sk></login-sk>
       </paper-toolbar>
       <template is="dom-if" if="{{no_drawer}}">
         <div main id="maincontent" class="layout vertical">
           <content select="*"></content>
           <div class="layout horizontal">
             <div class="flex"></div>
             <version-sk></version-sk>
           </div>
@@ skipping 74 matching lines @@
         return narrow;
       },
 
       _togglePanel: function() {
         this.$.drawerPanel.togglePanel();
       },
     });
   }());
   </script>
 </dom-module>