Add @PreDestroy to NettyAsyncHttpClient
Destroy any HTTP clients created via Guice
Update release notes
Upgrade to AirBase 5
hardcode airlift versions in pom

They can be hardcoded just fine, the release plugin will pick these up and replace them correctly.
make the invoker plugin pick up the oss-release profile correctly. Change the
archetype code to actually have the profile (from airbase) and therefore sign
the generated artifacts correctly for upload to OSS.
[maven-release-plugin] prepare release 0.72
[maven-release-plugin] prepare for next development iteration
Add request state information AsyncHttpClient for debugging

Cancel http request if an error occurs while sendin the request