change register device to sync now after the device has successfully registered.
Merge pull request #2484 from lazer1993/hotfix/2192-registration-process-possibly-not-marking-status-correctly

#2192 Registration process (possibly) not marking status correctly / immediately
Merge branch 'release-0.12.0' into hotfix/2271-Export-CSV
Merge branch 'hotfix/2271-Export-CSV' of https://github.com/djallado/ka-lite into hotfix/2271-Export-CSV
Change exercise_logs queryset in control_panel/views.py to match the web stats with CSV report.