MessageView Unicode HTML fix
MessageView Unicode HTML fix

- the HTML on/off click label should be unicode rather than str

bmng-dev/PyBitmessage,hb9kns/PyBitmessage,hb9kns/PyBitmessage,hb9kns/PyBitmessage,bmng-dev/PyBitmessage,bmng-dev/PyBitmessage,hb9kns/PyBitmessage