Optionally submit the email while uploading the crash report
Use python3 to launch the upload script
Remove no longer required script

Superseded by upload-crash-report.py from OpenChange upstream
Up changelog
Merge branch '3.5' into ejhernandez/submit-email-crash-report

Conflicts:
	main/core/ChangeLog
Added the proper dep for upgrading
Merge pull request #1556 from Zentyal/ejhernandez/submit-email-crash-report

Optionally submit the email while uploading the crash report