[ale] Make Gnome Shell look like Unity

[DJ-Pfulio]

Why? Because some people actually _like_ Unity and Canonical is dropping
Unity from future releases (post-17.04).

http://www.omgubuntu.co.uk/2017/04/make-gnome-shell-look-feel-like-unity
explains.

Back in the olden days, I made lxpanel for my Mom with the 5 things she
wanted to do on the left side (thanks to wide-screen monitors). It
worked for her for years and she seldom had to use the complicated menu
system.