Made ScriptBindingRegistry package-private as it is internal API.
Added javadoc showing sample of source code the transformation is creating.
Added CamelContext.stop() to shutdown hook.
Removed hyperlinking to classes in javadoc example, not going to make things THAT maintainable anyway.
Missed out 'private' identifier for field in example.
Merge pull request #2 from yihtserns/shutdownhook

Added shutdown hook to properly stop CamelContext.