[LNT] When comparing to a different machine, plot both graphs.

[marxin]

Summary

If you compare to a different machine, I consider it useful to make plot graph that displays samples of both machines.

[cmatthews]

LGTM

[marxin]

I've just requested SVN commit access.
Can you please commit the in behalf of me?

lnt/trunk/lnt/server/ui/templates/reporting/runs.html

<table style="{{ styles['table'] }}" class="{{ classes['table'] }}">
          {% endif %}
          </tr>
          </thead>
          <tbody class="searchable">
          
          {% for name, cr, test_id in bucket %}
          <tr>
            <td class="benchmark-name" style="{{ styles['td'] }}">
+             {% if run.machine != compare_to.machine %}
+               <a href="{{ run_url }}/graph?plot.0={{run.machine_id}}.{{test_id}}.{{field_index}}&plot.1={{compare_to.machine_id}}.{{test_id}}.{{field_index}}">{{ name }}</a>
+             {% else %}
                <a href="{{ run_url }}/graph?{{ [('test.%d' % test_id, field_index)] | urlencode }}">{{ name }}</a>
+             {% endif %}
              {% if compare_to %}
              {% set compare_to_id = compare_to.id %}
              {% else %}
              {% set compare_to_id = None %}
              {% endif %}
              {{ utils.render_profile_link(cr.cur_profile, cr.prev_profile, run.id, compare_to_id, test_id) }}
            </td>
            {{ cr.pct_delta|aspctcell(style=styles['td'],reverse=cr.bigger_is_better)|safe }}