Vendor the external cookbooks

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

cookbooks/poise-git/attributes/default.rb

@@ -0,0 +1,26 @@
+#
+# Copyright 2017, Noah Kantrowitz
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Default recipe to use to install git.
+default['poise-git']['default_recipe'] = 'poise-git'
+
+# Default inversion options.
+default['poise-git']['provider'] = 'auto'
+default['poise-git']['options'] = {}
+
+# Attributes for recipe[poise-git]. All values are nil because the actual
+# defaults live in the resource.
+default['poise-git']['recipe']['version'] = nil