Add anchor for powered-by and supported-by (#41)

Author: jsignell

index.html

@@ -217,7 +217,7 @@ <h2 class="featurette-subheading">Enabling you to parallelize internal systems</
 
             <div class="row">
               <div class="col-md-12">
-                <h2 class="featurette-heading">Powered by Dask</h2>
+              <h2 class="featurette-heading" id="powered-by"><a href="#powered-by" class="link-unstyled">Powered by Dask</a></h2>
                 <p class="lead">
                 These software projects are well-integrated with Dask,
                 or use Dask to power components of their infrastructure.</>
@@ -496,7 +496,7 @@ <h4>Scikit-allel</h4>
                       </div>
                     </div>
                   </div>
-                  
+
                   <div class="row top-padding-small">
                     <div class="col-md-6 flex-item">
                       <div class="flex-item-left"></div>
@@ -519,7 +519,7 @@ <h4>tsfresh</h4>
           <section id="supporters">
 
             <div class="container supporters">
-              <h2>Supported By</h2>
+              <h2 id="supported-by"><a href="#supported-by" class="link-unstyled">Supported By</a></h2>
               <p>We thank these institutions for generously supporting the project<p>
               <div class="row">
                 <div class="col supporter">