Remove inaccurate developers section from pom files

An accurate list of developers can be found using the git history
Add http static resource binding
Fix inappropriate throwing of exceptions.

NettyAsyncHttpClient expects ResponseHandler.handleException() to return the mapped exception, not throw it.
Upgrade to Airbase 6
[maven-release-plugin] prepare release 0.74
[maven-release-plugin] prepare for next development iteration
Include original exception when calling getValue