SD-485 : implement versioning on server
fix(tests): fix archive via eve-elastic update

eve-elastic couldn't detect without `elastic` backend
that archive is using elastic and thus it should push mapping for it
SD-404 : Write more behave tests, especially for error flows

Changed test config, added some improvements to error handling on tasks
and added more tests
SD-404 : Write more behave tests, especially for error flows

Deleted reuters credentials
Merge branch 'master' of https://github.com/ioanpocol/superdesk-server

Conflicts:
	superdesk/archive/archive_ingest.py
Merge branch 'master' of https://github.com/ioanpocol/superdesk-server