Breadcrumb lists should be unordered

Change-Id: I4f416c7871baa088ee2d8228f77356eb55de2367

template.html

@@ -60,7 +60,7 @@
     </a>
     <br/>
     <br/>
-    <ol class="breadcrumbs">
+    <ul class="breadcrumbs">
      <li>
       Page refreshed at {{ date }} UTC
      </li>
@@ -72,8 +72,8 @@
        {{ activebps|length }} tracked active blueprints
       </b>
      </li>
-    </ol>
-    <ol class="breadcrumbs">
+    </ul>
+    <ul class="breadcrumbs">
      <li>
       Key
      </li>
@@ -85,7 +85,7 @@
       <img src="bmpMERGED.png"/>
       Merged change
      </li>
-    </ol>
+    </ul>
    </div>
    <div class="span-4 last">
     <div id="chart_div">
@@ -220,11 +220,11 @@
    <h2>
     Past milestones
    </h2>
-   <ol class="breadcrumbs">
+   <ul class="breadcrumbs">
     <li>
      {{ pastbps|length }} completed blueprints
     </li>
-   </ol>
+   </ul>
    <table class="listing sortable" id="speclisting">
     <thead>
      <tr>