doc: General improvements.

recipes.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 """Tool to interact with recipe repositories.
 
 This tool operates on the nearest ancestor directory containing an
 infra/config/recipes.cfg.
 """
@@ skipping 186 matching lines @@
   depgraph.main(universe, package_deps.root_package,
                 args.ignore_package, args.output, args.recipe_filter)
 
 
 def doc(package_deps, args):
   from recipe_engine import doc
   from recipe_engine import loader
 
   _, config_file = get_package_config(args)
   universe = loader.RecipeUniverse(package_deps, config_file)
+  universe_view = loader.UniverseView(universe, package_deps.root_package)
 
-  doc.main(universe)
+  doc.main(universe_view)
 
 
 def info(args):
   from recipe_engine import package
   repo_root, config_file = get_package_config(args)
   package_spec = package.PackageSpec.load_proto(config_file)
 
   if args.recipes_dir:
     print package_spec.recipes_path
 
@@ skipping 208 matching lines @@
   ret = main()
   if not isinstance(ret, int):
     if ret is None:
       ret = 0
     else:
       print >> sys.stderr, ret
       ret = 1
   sys.stdout.flush()
   sys.stderr.flush()
   os._exit(ret)