add send and broadcast to server

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

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

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

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