Updated async-http-client version, since there are Connection leak issues with the previous version.
Added explicit version for maven-bundle-plugin.
Added explicit compiler version as well as a complete .gitignore file.
Updated netty version as well.
Updated netty and async-http-client versions to the latest released versions and performed some formatting changes.
Merge pull request #5 from davidgev/master

Updated async-http-client and netty versions to fix Connection leak issue.