Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/mingw/files/default/bash.bat

@@ -0,0 +1,17 @@
+@echo off
+set HOME=/home/%USERNAME%
+
+IF "%MSYSTEM%"=="" (
+  echo MSYSTEM is NOT defined
+  exit
+)
+
+rem Ask MSYS to initialize with a minimal path by default.
+rem This will put only the windows system paths into the msys path.
+set MSYS2_PATH_TYPE=minimal
+
+rem See /etc/profile - it should invoke post-install step 05-home-dir.post
+rem which uses this environment variable to change directories.
+set CHERE_INVOKING=1
+
+%~dp0..\usr\bin\bash.exe -l %*