update Ubuntu version

README.md

 # Quick Config
-Quickly configures a fresh install of [Ubuntu 17.04 64-bit][zz] on a workstation.
+Quickly configures a fresh install of [Ubuntu 17.10 64-bit][aa] on a workstation.
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@@ -49,7 +49,7 @@ SEE: http://keegoid.mit-license.org
 [ubuntu]:   http://www.ubuntu.com/global
-[zz]:       https://wiki.ubuntu.com/ZestyZapus/ReleaseNotes
+[aa]:       https://wiki.ubuntu.com/ArtfulAardvark/ReleaseNotes
 [subl]:     https://www.sublimetext.com/
 [vim]:      http://www.vim.org/
 [gt]:       http://manpages.ubuntu.com/manpages/hardy/man1/gnome-terminal.1.html