Add name, package_repo_resource and resource support to recipe scripts.

recipe_engine/recipe_api.py

 # Copyright 2016 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 from __future__ import absolute_import
 import contextlib
 import collections
 import copy
 import keyword
 import re
@@ skipping 717 matching lines @@
         config_object or self.c, optional=optional)
 
   def resource(self, *path):
     """Returns path to a file under <recipe module>/resources/ directory.
 
     Args:
       path: path relative to module's resources/ directory.
     """
     # TODO(vadimsh): Verify that file exists. Including a case like:
     #  module.resource('dir').join('subdir', 'file.py')
-    return self._module.MODULE_DIRECTORY.join('resources', *path)
+    return self._module.RESOURCE_DIRECTORY.join(*path)
 
   def package_repo_resource(self, *path):
     """Returns a resource path, where path is relative to the root of
     the package repo where this module is defined.
     """
     return self._module.PACKAGE_REPO_ROOT.join(*path)
 
   @property
   def name(self):
     return self._module.NAME
@@ skipping 179 matching lines @@
     """
     Gets the BoundProperty version of this Property. Requires a name.
     """
     return BoundProperty(
         self._default, self.help, self.kind, name, property_type, module,
         self.param_name)
 
 class UndefinedPropertyException(TypeError):
   pass