Add fix for idiot new awesomewm behavior.

Reference:
https://www.reddit.com/r/awesomewm/comments/5r9mgu/client_layout_not_preserved_when_switching/

What a dumb goddamn problem. Super glad the workaround is copy-pastable.

.config/awesome/rc.lua

@@ -624,3 +624,22 @@ if autorun then
        awful.util.spawn(autorunApps[app])
    end
 end
+
+
+tag.connect_signal("request::screen", function(t)
+    for s in screen do
+        if s ~= t.screen and
+           s.geometry.x == t.screen.geometry.x and
+           s.geometry.y == t.screen.geometry.y and
+           s.geometry.width == t.screen.geometry.width and
+           s.geometry.height == t.screen.geometry.height then
+            local t2 = awful.tag.find_by_name(s, t.name)
+            if t2 then
+                t:swap(t2)
+            else
+                t.screen = s
+            end
+            return
+        end
+    end
+end)