Message deduplication #4938

Job	Run time
Lint check	1m 0s
Format check	12s
Lint javascript	18s
Lint OpenAPI	14s
Spec	1m 53s
Compile LavinMQ	56s
Spec FreeBSD	3m 14s
Filters for frontend specs	3s
Spec OS X	2m 56s
RabbitMQ HTTP API Go client test	56s
RabbitMQ java client test	5m 6s
Test in release mode	16s
Bunny client test	2m 29s
RabbitMQ HTTP API Ruby client test	55s
Frontend specs	2m 13s
	22m 41s

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