Use HTTPS to access Apache resources.

Author: Gary Gregory

src/site/xdoc/download_cli.xml

@@ -131,7 +131,7 @@ limitations under the License.
         </p>
         <ul>
           <li class="download"><a href="[preferred]/commons/cli/">browse download area</a></li>
-          <li><a href="http://archive.apache.org/dist/commons/cli/">archives...</a></li>
+          <li><a href="https://archive.apache.org/dist/commons/cli/">archives...</a></li>
         </ul>
     </section>
   </body>

src/site/xdoc/index.xml

@@ -99,7 +99,7 @@ usage: ls
         The <a href="release_1_4.html">release notes</a> are also available.
       </p>
       <p>
-        For previous releases, see the <a href="http://archive.apache.org/dist/commons/cli/">Apache Archive</a>.
+        For previous releases, see the <a href="https://archive.apache.org/dist/commons/cli/">Apache Archive</a>.
       </p>
     </section>