support Chef::Node::Attribute methods

Chef::Node delegates to Chef::Node::Attribute through method_missing
without implementing respond_to_missing or even responds_to?, so we have
to hack it up here.

Also looks like I snuck in bumping the default chef version to 12.4.1 in
this commit.

chef_dsl_metadata/Rakefile

@@ -19,14 +19,16 @@ def require_chef
 end
 
 def chef_dsl_methods
+  # FIXME: `default` is not valid (in Chef-12 anyway) in a recipe, you must use
+  # node.default so adding Chef::Node.public_instance_methods here seems wrong
   (Chef::Node.public_instance_methods +
    chef_dsl_module.included_modules.map do |mixin|
      mixin.public_instance_methods
    end).flatten.sort.uniq
 end
 
 def chef_node_methods
-  Chef::Node.public_instance_methods.flatten.sort.uniq
+  (Chef::Node.public_instance_methods + Chef::Node::Attribute.public_instance_methods).flatten.sort.uniq
 end
 
 def chef_resource_actions

chef_dsl_metadata/chef_11.10.0.json

@@ -156,56 +156,112 @@
     "===",
     "=~",
     "[]",
+    "[]=",
     "__id__",
     "__send__",
+    "all?",
+    "any?",
     "apply_expansion_attributes",
+    "assoc",
     "attribute",
     "attribute?",
     "attributes",
+    "automatic",
+    "automatic=",
     "automatic_attrs",
     "automatic_attrs=",
     "chef_environment",
     "chef_environment=",
     "chef_server_rest",
+    "chunk",
     "class",
     "class_from_file",
+    "clear",
     "clone",
+    "collect",
+    "collect_concat",
+    "combined_default",
+    "combined_override",
+    "compare_by_identity",
+    "compare_by_identity?",
     "construct_attributes",
     "consume_attributes",
     "consume_external_attrs",
     "consume_run_list",
     "convert_to_class_name",
     "convert_to_snake_case",
+    "count",
     "create",
+    "cycle",
+    "debug_value",
     "default",
     "default!",
+    "default=",
     "default_attrs",
     "default_attrs=",
+    "default_proc",
+    "default_proc=",
     "default_unless",
     "define_singleton_method",
+    "delete",
+    "delete_if",
     "destroy",
+    "detect",
     "display",
     "display_hash",
+    "drop",
+    "drop_while",
     "dup",
     "each",
     "each_attribute",
+    "each_cons",
+    "each_entry",
     "each_key",
+    "each_pair",
+    "each_slice",
     "each_value",
+    "each_with_index",
+    "each_with_object",
+    "empty?",
+    "entries",
     "enum_for",
+    "env_default",
+    "env_default=",
+    "env_override",
+    "env_override=",
     "environment",
     "eql?",
     "equal?",
+    "except",
     "expand!",
     "extend",
+    "fetch",
     "filename_to_qualified_string",
+    "find",
+    "find_all",
+    "find_index",
+    "first",
+    "flat_map",
+    "flatten",
     "for_json",
+    "force_default",
+    "force_default=",
+    "force_override",
+    "force_override=",
     "freeze",
     "from_file",
     "frozen?",
     "gem",
+    "grep",
+    "group_by",
     "has_key?",
+    "has_value?",
     "hash",
+    "immutablize",
+    "include?",
     "include_attribute",
+    "index",
+    "inject",
     "inspect",
     "instance_eval",
     "instance_exec",
@@ -214,30 +270,50 @@
     "instance_variable_get",
     "instance_variable_set",
     "instance_variables",
+    "invert",
     "is_a?",
     "itself",
+    "keep_if",
+    "key",
     "key?",
     "keys",
     "kind_of?",
     "lazy",
+    "length",
     "loaded_recipe",
+    "map",
+    "max",
+    "max_by",
+    "member?",
+    "merge",
+    "merge!",
+    "merged_attributes",
     "method",
     "method_missing",
     "methods",
+    "min",
+    "min_by",
+    "minmax",
+    "minmax_by",
     "name",
     "nil?",
     "node",
+    "none?",
     "normal",
+    "normal=",
     "normal_attrs",
     "normal_attrs=",
     "normal_unless",
     "object_id",
+    "one?",
     "override",
     "override!",
+    "override=",
     "override_attrs",
     "override_attrs=",
     "override_unless",
     "parse_attribute_file_spec",
+    "partition",
     "platform?",
     "platform_family?",
     "pretty_inspect",
@@ -251,13 +327,28 @@
     "public_method",
     "public_methods",
     "public_send",
+    "rassoc",
     "recipe?",
     "recipe_list",
     "recipe_list=",
+    "reduce",
+    "regular_update",
+    "regular_writer",
+    "rehash",
+    "reject",
+    "reject!",
     "remove_instance_variable",
+    "replace",
+    "reset",
+    "reset_cache",
     "reset_defaults_and_overrides",
     "respond_to?",
+    "reverse_each",
     "role?",
+    "role_default",
+    "role_default=",
+    "role_override",
+    "role_override=",
     "run_context",
     "run_context=",
     "run_list",
@@ -266,34 +357,58 @@
     "run_state",
     "run_state=",
     "save",
+    "select",
+    "select!",
     "send",
     "set",
     "set_or_return",
     "set_unless",
+    "set_unless?",
+    "set_unless_value_present=",
+    "shift",
     "singleton_class",
     "singleton_method",
     "singleton_methods",
+    "size",
+    "slice_after",
+    "slice_before",
+    "slice_when",
     "snake_case_basename",
+    "sort",
+    "sort_by",
+    "store",
+    "stringify_keys!",
+    "symbolize_keys",
     "systemu",
     "tag",
     "tags",
     "taint",
     "tainted?",
+    "take",
+    "take_while",
     "tap",
+    "to_a",
     "to_enum",
+    "to_h",
     "to_hash",
     "to_json",
     "to_s",
+    "to_set",
     "to_yaml",
     "to_yaml_properties",
     "trust",
     "untaint",
     "untrust",
     "untrusted?",
+    "update",
     "update_from!",
     "validate",
+    "value?",
     "value_for_platform",
-    "value_for_platform_family"
+    "value_for_platform_family",
+    "values",
+    "values_at",
+    "zip"
   ],
   "actions": {
     "apt_package": [