Added a table of content as bbcode element [toc] for webpages

- Included jquery.toc.js (http://www.apache.org/licenses/LICENSE-2.0)
- Modified jquery.toc.js to work with the webpages of the red#matrix
- Added info to the help

doc/bbcode.html

@@ -65,7 +65,8 @@
 
 <li>[rpost=title]Text to post[/rpost] The observer will be returned to their home hub to enter a post with the specified title and body. Both are optional <br />
 <li>[qr]text to post[/qr] - create a QR code.<br />
-<br />
+<li>[toc] - create a table of content in a webpage (level h1,...,h4).<br />
+<br /><br />
 </ul>
 
 <p>These require a suitable map plugin/addon such as openstreetmap or else the result will be blank</p>