Added 2to3 tools via svn:externals from http://svn.python.org/projects/sandbox/trunk/2to3/
Added 2to3 tools via svn:externals from http://svn.python.org/projects/sandbox/trunk/2to3/

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator