update links

Signed-off-by: Marc MacLeod <marbemac@gmail.com>
add favicon

Signed-off-by: Marc MacLeod <marbemac@gmail.com>
color feature links

Signed-off-by: Marc MacLeod <marbemac@gmail.com>
compress feature pane images

Signed-off-by: Marc MacLeod <marbemac@gmail.com>