Scroll/zoom in message composing widget
Scroll/zoom in message composing widget

Fixes #169

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