XD-1786 RedisMessageBus Partitioning Support

JIRA: https://jira.spring.io/browse/XD-1786

Add partitioning support to the RedisMessageBus.

Add concurrency support to RedisMessageBus consumers.

Add retry to Redis.

Send redis delivery errors (when using retry) to ERRORS:[name].

Disable retry (Rabbit and Redis) if maxAttempts is set to 1.

Pull common properties (concurrency, retry) up to MessageBusSupport.

Polishing - Refine Property Validation for each consumer/producer type.

XD-1786 Polishing; PR Comments
cleanup versions in build.gradle
XD-1585: Completions after a named channel
XD-1728 UI:Add Support for Bold/Strong Fonts

Moved `strong` CSS declaration to `typography.less`
Clean Up Rabbit Queue foo.props.0-0