Modify setup.py according folder structure modifications

MANIFEST.in

+recursive-include src *.xsd
+

setup.py

@@ -9,7 +9,7 @@ def read(name):
 
 long_description=(
         read('README.txt')
-        + '\n\n' +
+        + '\n' +
         read('CHANGES.txt')
     )
 
@@ -29,11 +29,10 @@ setup(name=name,
       maintainer_email='nicolas@nexedi.com',
       url='http://www.python.org/community/sigs/current/xml-sig/',
       license='Python License (CNRI Python License)',
-      packages=find_packages(exclude=['ez_setup', 'examples', 'tests']),
+      packages=find_packages('src'),
+      package_dir={'': 'src'},
       include_package_data=True,
       zip_safe=False,
       install_requires=['lxml',],
-      entry_points="""
-      # -*- Entry points: -*-
-      """,
+      test_suite='xml_marshaller',
       )