update readme

Signed-off-by: Mattias Andrée <maandree@operamail.com>
update todo

Signed-off-by: Mattias Andrée <maandree@operamail.com>
document icc support in info manual

Signed-off-by: Mattias Andrée <maandree@operamail.com>
add icc in example

Signed-off-by: Mattias Andrée <maandree@operamail.com>