Goodbye Psi, hello Psi Plus

Psi was basically perfect, but it turns out that with Jabbim.cz, we'll
just need client-side spam filter.

dotfiles/i3/config

@@ -284,7 +284,7 @@ for_window [class="Orage"]      floating enable
 
 exec "newfeh"
 exec "dunst"
-exec "psi"
+exec "psi-plus"
 exec "dropbox start"
 exec "hexchat --minimize=2"
 exec "nm-applet"