html: Reduce size of the clear button a bit

Signed-off-by: Kai Blin <kai@samba.org>
html: Preserve screen real estate by removing heading

Signed-off-by: Kai Blin <kai@samba.org>
html: Allow travel/clear from presenter remote

Signed-off-by: Kai Blin <kai@samba.org>
hardware: Allow to adjust for too many lit leds

Signed-off-by: Kai Blin <kai@samba.org>
html: Also allow to go back from the remote

Signed-off-by: Kai Blin <kai@samba.org>