Changed: event categorization now requests unresolved links to be included in
the input event stream to allow proper link re-categorization
Merge commit 'ab351a5076d3652fe9ec1012e68fb9196ce2b16f' into projections-categories
Merge commit '909c10d54a81e6ebb68a6b39f72e0d90d38100a8' into projections-categories
Changed: Fixed metadata property naming - start system properties with $.
Added: Extra metadata support with CheckpointTag + writing $o (original stream)
with links emitted by event categorization projection.
Merge branch 'projections-categories' into projections-reset