Allow for higher delivery latency for CI containers

Fix a few Javadoc warnings

[#127354185]

Fix a few Javadoc warnings

[#127354185]

Merge pull request rabbitmq#159 from rabbitmq/license-headers

Update license / copyright headers

Merge pull request rabbitmq#159 from rabbitmq/license-headers

Update license / copyright headers

Merge pull request rabbitmq#159 from rabbitmq/license-headers

Update license / copyright headers

improve the resilience of some integration tests

improve the resilience of some integration tests

Merge branch 'stable'

Merge pull request rabbitmq#154 from rabbitmq/rabbitmq-server-854

Test publisher confirms are not blocked by purge of durable queues