Bug#729324: gnome-terminal: Background options are no available longer

[Egmont Koblinger]

Transparency was indeed removed from official gnome-terminal.

A patch to bring it back is available at
https://code.launchpad.net/~larsu/gnome-terminal/update-restore-transparency-patch

(This an improved version over the original patch from
http://debarshiray.wordpress.com/2014/05/15/transparent-terminals-back-in-fedora/
).