Add a "properties" field to bundle lookups.

If present, operator property information needs to be persisted until
bundle unpacking completes so that properties can be projected onto
ClusterServiceVersions.

Author: benluddy

crds/operators.coreos.com_installplans.yaml

@@ -214,6 +214,9 @@ spec:
                       description: Path refers to the location of a bundle to pull.
                         It's typically an image reference.
                       type: string
+                    properties:
+                      description: The effective properties of the unpacked bundle.
+                      type: string
                     replaces:
                       description: Replaces is the name of the bundle to replace with
                         the one found at Path.