Fix links to Qt.

index.html

@@ -369,7 +369,7 @@ If a cross compiler is detected then cross compile mode will be used.</pre>
 
     <p>
     If you have a
-    <a href="http://qt.nokia.com/">Qt</a> application,
+    <a href="http://qt-project.org/">Qt</a> application,
     all you have to do is:
     </p>
     <pre>i686-pc-mingw32-qmake
@@ -378,7 +378,7 @@ make</pre>
     If you are using Qt plugins
     such as the svg or ico image handlers,
     you should also have a look at the
-    <a href="http://qt.nokia.com/doc/plugins-howto.html#static-plugins">Qt documentation about static plugins</a>.
+    <a href="https://qt-project.org/doc/qt-4.8/plugins-howto.html#static-plugins">Qt documentation about static plugins</a>.
     </p>
     <p>
     Note the sql drivers (-qt-sql-*)
@@ -1704,7 +1704,7 @@ USE_OSGPLUGIN(&lt;plugin2&gt;)
     <tr>
         <td id="qt-package">qt</td>
         <td id="qt-version">4.8.1</td>
-        <td id="qt-website"><a href="http://qt.nokia.com/">Qt</a></td>
+        <td id="qt-website"><a href="http://qt-project.org/">Qt</a></td>
     </tr>
     <tr>
         <td id="qwtplot3d-package">qwtplot3d</td>