Update terminal size on change.
Update terminal size on change.

In order to work property, this change needs ssh/terminal to be updated
to include https://codereview.appspot.com/105580043.

(Although it doesn't always work great with gnome-terminal and I'm not
sure that it ever can.)

thommfullery/birdcannon,Yawning/ricochet-client,agl/xmpp-client,twstrike/xmpp-client,iseeareddoor/xmpp-client,isislovecruft/xmpp-client,paulperegud/xmpp-client,isislovecruft/xocolatl