CrOS: Update public waterfall to auto-configure.

masters/master.chromiumos/templates/waterfall.html

 {% extends "announce.html" %}
 {% from "box_macros.html" import box %}
 
 {% block content %}
 
 <table border="0" cellspacing="0">
 
 <tr class="LastBuild">
   <td align="right" colspan="2" class="Project">
    <a href="http://www.chromium.org">Chromium</a><br/>
    last build
   </td>
 
 {% for b in builders %}  
   <td align="center" class="{{ b.top_class }}">
-    <a href="{{ b.url }}">{{ b.name }}</a><br/>
+    <span>
+      <a href="{{ b.url }}">{{ b.name }}</a>
+      {%- if cros_builder_experimental and cros_builder_experimental(b.name) -%}
+        &nbsp;(experimental)
+      {%- endif -%}
+      <br/>
+      {%- if cros_builder_doc -%}
+        {% set builder_doc = cros_builder_doc(b.name) %}
+        {%- if builder_doc -%}
+          <a href="{{ builder_doc.url }}" target="_blank">
+            <img src="document-icon.png" width="12px" height="12px"></img>
+          </a>
+        {%- endif -%}
+      {%- endif -%}
+    </span>
     {{ " ".join(b.top) }}
   </td>
 {% endfor %}
 </tr>
 
 <tr class="Activity">
 <td align="right" colspan="2">current activity</td>
 
-{% for b in builders %}  
+{% for b in builders %}
   <td align="center" class="{{ b.status_class }}">
     {{ "<br/>".join(b.status) }}
   </td>
 {% endfor %}
 </tr>
 
 <tr>
 <td align="center" class="Time">{{ tz }}</td>
 <td align="center" class="Change"><a href="{{ changes_url }}">changes</a></td>
 
 {% for b in builders %}
- <td align="center" class="Builder"><a href="{{ b.url }}">{{ b.name }}</a></td>
+  <td align="center" class="Builder">
+    <a href="{{ b.url }}">{{ b.name }}</a>
+  </td>
 {% endfor %}
 </tr>
 
-{# waterfall contents goes here #}    
+{# waterfall contents goes here #}
 {% for i in range(gridlen) -%}
   <tr>
-  {% for strip in grid -%}        
+  {% for strip in grid -%}
     {%- if strip[i] -%}{{ box(**strip[i]) }}
     {%- elif no_bubble -%}{{ box() }}
     {%- endif -%}
   {%- endfor -%}
   </tr>
 {% endfor %}
 
 </table>
 
 {% if nextpage %}
 [ <a href="{{ nextpage }}">next page</a> ]
 {% endif %}
 [ <a href="waterfall/help">help</a> ]
 
 {% if no_reload_page %}
  <a href="{{ no_reload_page }}">Stop Reloading</a>
 {% endif %}
 
 {% endblock %}