HH-37909 add preprocessors/postprocessors
HH-37909 debug page
HH-38247 debianization and tests
content-type bugfix
fix for None callback
move self.finish to self.complete
tests fix
Update README.md
remove server.py
remove tornado_util from dependencies
HH-37909 review fixes: added pep8 test, better version parsing, removed ordered_dict, etc.
HH-37909 logger refactor, review fixes
HH-37909 better error handle and debug
HH-37909 detect error code for response in exception handler
HH-37909 change python tornado version compatibility
HH-37909 add test for debug page, complete logging on finish, use assertIn
Merge remote-tracking branch 'origin/HH-37909' into release-candidate