Changing label updates SendFrom combobox
Changing label updates SendFrom combobox

Fixes #2

lightrabbit/PyBitmessage,Atheros1/PyBitmessage,lightrabbit/PyBitmessage,Atheros1/PyBitmessage,mailchuck/PyBitmessage,lightrabbit/PyBitmessage,mailchuck/PyBitmessage,mailchuck/PyBitmessage,Atheros1/PyBitmessage,Atheros1/PyBitmessage,lightrabbit/PyBitmessage,mailchuck/PyBitmessage