Added a Register menu item for visibility and quick access.
Added a header "register" button;
Added call for keynotes section
Program section updated with the four tracks' descriptions
Minor updates to CSS to make it all nice
ident fix
Accidentaly removed the ticket intro section is now returned.
animated shadow on head logo, nicer register button
Merge pull request #1 from hyperglitch/master

animated shadow on head logo, nicer register button
Better call for papers text
Merge pull request #22 from sveby/master

More visible registration links, the four tracks