Remove WIP label, make categories always expanded, move build number down.

client/web/main.html

 <link rel="import" href="category.html">
 <link rel="import" href="item.html">
 <link rel="import" href="minimap-element.html">
 <link rel="import" href="page.html">
 <link rel="import" href="search.html">
 <link rel="import" href="minimap-library.html">
 <link rel="import" href="library-panel.html">
 <link rel="import" href="minimap-class.html">
 
 <polymer-element name="dartdoc-main">
@@ skipping 10 matching lines @@
           data-target=".navbar-responsive-collapse" id="nav-collapse-button"
           on-click="{{navHideShow}}">
           <span class="icon-bar"></span>
           <span class="icon-bar"></span>
           <span class="icon-bar"></span>
         </button>
     
         <a href="http://api.dartlang.org/" class="navbar-brand header-logo"></a>
         <a href="#home"
           class="navbar-brand btn-link">
-          Dart API Reference (Work-in-Progress) {{buildIdentifier}}
+          Dart API Reference
         </a>
     
         <div class="nav-collapse collapse navbar-responsive-collapse"
             id="nav-collapse-content">
           <ul class="nav navbar-nav" id="navbar">
           </ul>         
           {{crumbs()}}
     
           <ul class="nav navbar-nav pull-right">
     
@@ skipping 43 matching lines @@
   
     <template if="{{shouldShowLibraryMinimap}}">
         <dartdoc-minimap-library item={{viewer.currentPage}}>
         </dartdoc-minimap-library>
     </template>
 
     <template if="{{shouldShowClassMinimap}}">
       <dartdoc-minimap-class item={{viewer.currentPage}}>
       </dartdoc-minimap-class>
     </template>
+    <div>Dart Build {{buildIdentifier}}</div>
+  </div>
   
-  </div>
   </template>
 </polymer-element>
 <script type="application/dart" src="main.dart"></script>