Fix citation links

Addresses ticket:456

documentation/_templates/index.html

@@ -37,15 +37,15 @@ <h1>FiPy: A Finite Volume PDE Solver Using Python</h1>
   combinations of coupled elliptic, hyperbolic and parabolic PDEs.
   Currently implemented models include phase field <a class="reference
   external"
-  href="documentation/manual/refs.bib_cited.html#boettingerreview-2002">[BoettingerReview:2002]</a>
+  href="documentation/references.html#boettingerreview-2002">[BoettingerReview:2002]</a>
   <a class="reference external"
-  href="documentation/manual/refs.bib_cited.html#chenreview-2002">[ChenReview:2002]</a>
+  href="documentation/references.html#chenreview-2002">[ChenReview:2002]</a>
   <a class="reference external"
-  href="documentation/manual/refs.bib_cited.html#mcfaddenreview-2002">[McFaddenReview:2002]</a>
+  href="documentation/references.html#mcfaddenreview-2002">[McFaddenReview:2002]</a>
   treatments of polycrystalline, dendritic, and electrochemical phase
   transformations as well as a level set treatment of the electrodeposition
   process <a class="reference external"
-  href="documentation/manual/refs.bib_cited.html#nist-damascene-2001">[NIST:damascene:2001]</a>.</p>
+  href="documentation/references.html#nist-damascene-2001">[NIST:damascene:2001]</a>.</p>
   <div class="admonition attention">
   <p class="first admonition-title">If you use FiPy in your research, please cite:
   <a href="_static/fipy.bib">(bibtex)</a>
@@ -133,6 +133,8 @@ <h2>Indices and tables</h2>
           <span class="linkdescr">search this documentation</span></p>
        <p class="biglink"><a class="biglink" href="{{ pathto("documentation/contents") }}">Complete Table of Contents</a><br/>
           <span class="linkdescr">lists all sections and subsections</span></p>
+       <p class="biglink"><a class="biglink" href="{{  pathto("documentation/references") }}">References</a><br/>
+          <span class="linkdescr">lists of source materials</span></p>
      </td></tr>
    </table>
  {% endblock %}