Replacing Webbit by netty.
Adding latest version ddmlib.
Fixing deprecation warnings.
cleanup of the test-app pom file.
defining default httpclient version.
Adding missing tests to test suites.
fixing failing tests.
Fixing test case that demos an user registration.
Adding netty to changelog.
Adding right licence header and moving http server implementations into the right package.
fixing wait issue.
Using a higher port to hopefully have more stable builds on travis.
Merge pull request #465 from DominikDary/master

Move to netty and cleanup