Add FusionBox to the sponsor page.

FusionBox bought a Moral License and helped test case pgloader against a
test instance of SQL Server with which it was easy to reproduce bugs.
Those got fixed thanks to their support!

web/sponsors.html

@@ -111,6 +111,39 @@
             author to invest a lot of time in this community project.
           </p>
           <hr />
+          <a href="http://www.fusionbox.com">
+            <img class="featurette-image img-responsive"
+                 src="img/fb-logo-4d-1000x168.COLOR.png"
+                 alt="Fusion Box">
+          </a>
+          <p class="lead" style="text-align: justify; padding-top: 2em;">
+            Here's what our customer <b><i>Alexander Groth</i></b> has to
+            say about using and sponsoring <i>pgloader</i>:
+            <blockquote style="text-align: justify;">
+              <p style="font-size: 180%; color: #808080">
+                <i>
+                  <a href="http://www.fusionbox.com">Fusionbox</a> used
+                  pgloader on a project for a large government agency. We
+                  needed to migrate a large set of data from an existing SQL
+                  Server cluster to a new PostgreSQL solution. Pgloader
+                  greatly reduced the time required to accomplish this
+                  complex migration.
+                </i>
+              </p>
+            </blockquote>
+          </p>
+          <p>
+            You too can join the sponsor list and have focused development
+            time on pgloader from its developer, consider sponsoring the
+            project: see the <a href="pgloader-moral-license.html">pgloader
+            Moral License</a>.
+          </p>
+          <hr />
+          <a href="http://www.redpill-linpro.com">
+            <img class="featurette-image img-responsive"
+                 src="img/redpill-linpro.jpg"
+                 alt="Redpill Linpro">
+          </a>
           <p class="lead" style="text-align: justify; padding-top: 2em;">
             When <a href="http://www.redpill-linpro.com">Redpill Linpro</a>
             was asked about the most efficient way to migrate
@@ -122,11 +155,6 @@
             now everyone can do the same, as the result is Open Source and
             fully integrated into pgloader!
           </p>
-          <a href="http://www.redpill-linpro.com">
-            <img class="featurette-image img-responsive"
-                 src="img/redpill-linpro.jpg"
-                 alt="Redpill Linpro">
-          </a>
           <hr />
           <p>
             More work is available for <i>sponsoring</i>, so if you want to