atom-shell + atom-editor: More WIP

atom-editor builds better than atom-shell, but you
can't use -L due to not-a-tty issues.

mingw-w64-atom-shell/0001-python-python2.patch

@@ -1,7 +1,7 @@
-From b039dac0d007212b9de9b9c81abbf20bf4cfb871 Mon Sep 17 00:00:00 2001
+From 2d77dc617fc6ca38755a13c206082fd7661718db Mon Sep 17 00:00:00 2001
 From: Ray Donnelly <mingw.android@gmail.com>
 Date: Mon, 22 Sep 2014 21:09:54 +0100
-Subject: [PATCH] python -> python2
+Subject: [PATCH 1/2] python -> python2
 
 ---
  script/bootstrap.py                      | 2 +-