Move 'src' directory to 'whois'.

setup.py

@@ -16,7 +16,7 @@ setup(name='whois',
       author_email='admin@relip.org',
       url='http://github.com/relip/python-whois',
       license='MIT',
-	package_dir={'whois': 'src'},
+	package_dir={},
       packages=['whois'],
       include_package_data=True,
       zip_safe=False,