Fix links

www/pages/index.html

@@ -41,10 +41,10 @@ <h2 style="text-align: center">Download and Security</h2>
  <p>Mosquitto is highly portable and available for a wide range of
  platforms. Go to the dedicated <a href="/download">download
  page</a> to find the source or binaries for your platform.</p>
- <p>Read the <a href="ChangeLog.txt">Change Log</a> to find out
+ <p>Read the <a href="/ChangeLog.txt">Change Log</a> to find out
  about recent releases.</p>
 
- <p>Use the <a href="security">security</a> page to find out
+ <p>Use the <a href="/security">security</a> page to find out
  how to report vulnerabilities or responses to past security
  issues.</p>
  </div>
@@ -70,15 +70,15 @@ <h2 style="text-align: center">Community</h2>
  <li>Talk to other users on the <a href="https://dev.eclipse.org/mailman/listinfo/mosquitto-dev">Mosquitto mailing list</a>
  or on <a href="https://eclipse-iot-wg.slack.com/join/shared_invite/zt-d8zil9s0-NF5UHh92Odf3AbonspswHA#/">Slack</a>.</li>
  <li>Get help from the <a href="https://forum.cedalo.com/">forums</a>.</li>
- <li><a href="2017/06/citing-eclipse-mosquitto/">Cite Mosquitto</a> in your academic work.</li>
+ <li><a href="/2017/06/citing-eclipse-mosquitto/">Cite Mosquitto</a> in your academic work.</li>
  </ul>
  </div>
 
  <div class="column column-justify">
  <h2 style="text-align: center">Support</h2>
  <p>Support is always available from the community channels on a
  best effort basis. If you require commercial support,
- <a href="cedalo.com/">Cedalo</a> can offer support for hosted
+ <a href="https://cedalo.com/">Cedalo</a> can offer support for hosted
  or on-premise instances, consulting on the use of Mosquitto,
  and custom development to your needs.</p>
  </div>