Merge pull request #2701 from spotify/version-2.8.4

Version 2.8.4

Author: zatine

setup.py

@@ -60,7 +60,7 @@ def get_static_files(path):
 
 setup(
     name='luigi',
-    version='2.8.3',
+    version='2.8.4',
     description='Workflow mgmgt + task scheduling + dependency resolution',
     long_description=long_description,
     author='The Luigi Authors',