Mistral Horizon plugin.

Gerrit User 19134 cf7ce67057 Update patch set 4 ... Patch Set 4: Code-Review+2 Patch-set: 4 Reviewer: Gerrit User 19134 <19134@4a232e18-c5a9-48ee-94c0-e04e7cca6543> Label: Code-Review=+2		2021-09-05 14:34:47 +00:00