Merge pull request #1 from xranby/www

Fist round of joal-demos www cleanup
Add trivial JOAL maven example
www/index.html: Updated links & JOAL logo.

Signed-off-by: Xerxes Rånby <xerxes@zafena.se>
Fix EFXFilter.java demo - Now we need to properly use ALExt, since AL does not contain duplicates anymore!
www/devmaster/lesson*.html: Fix header, title, navigation and links.

Signed-off-by: Xerxes Rånby <xerxes@zafena.se>