[maven-release-plugin] prepare release deproxy-0.19
[maven-release-plugin] prepare for next development iteration
Add a history entry for the next version.
Update TODO for content encoding.
Decompress gzip streams when reading the body.
Add a proper test and a helpful extension method.
x-gzip is equivalent to gzip.
Read 'deflate' bodies.
Read 'compress' bodies. This includes code from a 3rd-party source.
Include compression among acceptable encodings when receiving.
Update history.
Fix the test.