Removed empty strings.

setup.py

@@ -6,7 +6,6 @@ setup(name='PyQSO',
       version='0.1a.dev',
       description='A Python-based QSO logging tool',
       author='Christian Jacobs',
-      author_email='',
       url='https://launchpad.net/pyqso',
       packages=['pyqso'],
       package_dir = {'pyqso': 'pyqso'},