Wmcore

- [py2py3] fix unittests from 10011 - src (Dario Mapelli) 10561
- [py2py3] fix unittests from 9818 - src (Dario Mapelli) 10522
- Flowchart with the WMCore Jenkins CI setup (Alan Malta Rodrigues) 10560
- Fix DID existence check in global workqueue (Alan Malta Rodrigues) 10557

- Fix missing exceptions module in python3 (Todor Ivanov) 10524
- [py2py3] modernize WMCore/Services/Requests.py (Dario Mapelli) 10508
- [py2py3] modernize src/python/WMCore/Configuration.py (Dario Mapelli) 9974
- [py2py3] fix unittests in test/python/Utils_t - 10500 - src (Dario Mapelli) 10500
- [py2py3] Use Utils.PythonVersion.PY2/3 consistently (Dario Mapelli) 10518
- [py2py3] new module: Utils/PythonVersion.py (Dario Mapelli) 10518
- [py2py3] adapt MySQLCore.substitute to new list.sort() interface (Dario Mapelli) 10506

- [py2py3] fix stuck unittest in test/python/Utils_t (Dario Mapelli) 10503
- [py2py3] attempt to fix problem with formatting data from DB (Dario Mapelli) 10504
- [py2py3] pycurl_manager: converting response to unicode before parsing - src (Dario Mapelli) 10501
- [py2py3] setup_test.py compatible with both py2 and py3 (Dario Mapelli) 10499

- stop mocking Dashboard (Alan Malta Rodrigues) 10494
- Remove Services/Dashboard package; WMRuntime DashboardMonitor and DashboardInterface (Alan Malta Rodrigues) 10494
- new unittest deploy scripts for wmagentpy3 (Dario Mapelli) 10496

- Decouple CMSSW and WMCore python versions from PSet tweak (khurtado) 10179
- Add CMSCouchapp dependency to the requirements files (Alan Malta Rodrigues) 10492
- added Cheetah3 to requirements_py3.txt (Dario Mapelli) 10491
- Add methods to modify environment variables in WMTasks and overrideCatalog option in Steps. Includes unit tests for new methods. (germanfgv) 10344
- Adjust couchapp push command to match CMSCouchapp (Alan Malta Rodrigues) 10485
- [py2py3] modernized scripts left out of slices (Dario Mapelli) 10482

- Replace mox dependency with mock. Remove deprecated testMkdir test (khurtado) 10484
- Remake MSTransferor alert subject; increase alert expiration time to 1h (Alan Malta Rodrigues) 10475
- Python3 workflow test templates (Alan Malta Rodrigues) 10480