* Fix incorrect materialized types = Unit in stream documentation (Fixes#21937)
* Correct Int, which should be Integer in Java
* Replace BoxedUnit in stream doc
* Move (de)compression helpers to akka-stream #21395
* Move compression and decompression -related classes from
akka-http-experimental to akka-stream
* Add Compression helper object with functions to create
decompressing Flows
* Add a short cookbook entry
* =str move compression impl classes into their own directory (and change visibility)
* =str also expose gzip/deflate compression flows
* Fix formatting of plural ByteStrings in cookbook
* =str #21395 make compressor call Deflater.end in postStop to release resources
Also simplified the creation of the flow given a compressor.
* =str #21395 decompressors call Inflater.end in postStop to release resources
* =str #21395 smallish Scaladoc fixes
* +str #18793 StageLogging that allows logger access in stages
Also, non ActorMaterializers can opt-into providing a logger here.
* +str #18794 add javadsl for StageLogging
* fix missing test method on compile only class
* mapAsync + ask should be the first choice
* add missing Source.queue
* prefer actorRefWithAck
* move ActorPublisher and ActorSubscriber to the end
with additional warning
* fix wrong doc of SourceQueue offer
* and add missing java api
Fix #section-buffer by replacing .withAttributes by .addAttributes to avoid overwriting the .async option.
* Update StreamBuffersRateDocTest.java
Fix #section-buffer by replacing .withAttributes by .addAttributes to avoid overwriting the .async option.
* Add more imports to the stream quick start guides.
This makes it easier for people to execute the code samples while they
read through the guide.
* Change line endings to be consistent with other files
For some reason these 2 files had CR+LF line endings.
* Re enabling Java tests in akka-docs (they were not run before)
* Fixed bug #19764
* #19735 Rewrote every sample using the deprecated PushPullStage and friends
using GraphStage
* Pruned old unused graph images
* Added missing graffle file for new graph images