Merge branch 'hotfix/nuke-workfile-publish'

Merge remote-tracking branch 'origin/master'

hotfix ffmpeg on farm

Merge branch 'hotfix/ftrack-event-thumbnail-sintax_error'

Added tag 2.3.0 for changeset 85c9422

Added tag 2.2.0 for changeset bb51000

Added tag 2.1.1 for changeset f924a19

clean release after changin attribute names in avalon and pype

safe develop before changing crucial attributes