Vendor the external cookbooks

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

cookbooks/application/files/halite_gem/poise_application/app_mixin.rb

@@ -0,0 +1,69 @@
+#
+# Copyright 2015-2016, 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.
+#
+
+require 'chef/mash'
+require 'poise/provider'
+require 'poise/resource'
+require 'poise/utils'
+
+
+module PoiseApplication
+  # A helper mixin for application resources and providers. These are things
+  # intended to be used as subresources of the `application` resource.
+  #
+  # @since 5.0.0
+  module AppMixin
+    include Poise::Utils::ResourceProviderMixin
+
+    # A helper mixin for application resources.
+    module Resource
+      include Poise::Resource
+
+      # Set the parent type and optional flag.
+      poise_subresource(:application, true)
+
+      # @!attribute path
+      #   Base path for the application.
+      #   @return [String]
+      attribute(:path, kind_of: String, name_attribute: true)
+
+      # A delegator for accessing the application state. If no application
+      # parent is found, the state will be tracked internally within the
+      # resource.
+      #
+      # @return [Hash<Symbol, Object>]
+      def app_state
+        if parent
+          parent.app_state
+        else
+          # If there isn't a parent, just track within the resource.
+          @local_app_state ||= Mash.new
+        end
+      end
+
+      # Environment variables stored in the application state.
+      #
+      # @return [Hash<String, String>]
+      def app_state_environment
+        app_state[:environment] ||= Mash.new
+      end
+    end
+
+    module Provider
+      include Poise::Provider
+    end
+  end
+end