* GH-2749: Deprecate ChannelInterceptorAware
Fixes https://github.com/spring-projects/spring-integration/issues/2749
The `org.springframework.messaging.support.InterceptableChannel` provides
exact functionality as `ChannelInterceptorAware`
* Make `ChannelInterceptorAware extends InterceptableChannel`
* Suppress deprecation warning whenever we need to keep backward
compatibility
* Fix all other places to deal with `InterceptableChannel` already
* GH-2749: Deprecate ChannelInterceptorAware
Fixes https://github.com/spring-projects/spring-integration/issues/2749
The `org.springframework.messaging.support.InterceptableChannel` provides
exact functionality as `ChannelInterceptorAware`
* Make `ChannelInterceptorAware extends InterceptableChannel`
* Suppress deprecation warning whenever we need to keep backward
compatibility
* Fix all other places to deal with `InterceptableChannel` already
* * Fix `channel.adoc` for the current version
82ecd5a75d