Patch #531901 by Mark W. Alexander: adds a new distutils packager

base class (in bdist_packager) and two subclasses which make use
of this base class: bdist_pkgtool (for Solaris) and bdist_sdux (for
HP-UX).

Lib/distutils/command/__init__.py

@@ -21,4 +21,9 @@ __all__ = ['build',
            'bdist_dumb',
            'bdist_rpm',
            'bdist_wininst',
+           'bdist_sdux',
+           'bdist_pkgtool',
+           # Note:
+           # bdist_packager is not included because it only provides
+           # an abstract base class
           ]