New message in correct tab
New message in correct tab

Newly arriving messages now appear in the correct tab. Previously it
assumed it was always "Messages" tab. Partially addresses #3.

timothyparez/PyBitmessage,bmng-dev/PyBitmessage,bmng-dev/PyBitmessage,hb9kns/PyBitmessage,timothyparez/PyBitmessage,debguy0x/PyBitmessage,hb9kns/PyBitmessage,torifier/PyBitmessage,torifier/PyBitmessage,debguy0x/PyBitmessage,timothyparez/PyBitmessage,bmng-dev/PyBitmessage,timothyparez/PyBitmessage,hb9kns/PyBitmessage,torifier/PyBitmessage,hb9kns/PyBitmessage,torifier/PyBitmessage,debguy0x/PyBitmessage,debguy0x/PyBitmessage