Add some javadoc comment to GraphService interface.
Add auto-reload command-line option.
Add MemoryGraphSource constructor with config.
Do not add default autoRegister in preFlight mode.
Use the same GraphServiceImpl for in-memory modes.
Remove unused GraphServiceBeanImpl.
Correct reference to class in code comment.
In preflight/memory mode, index graph in OTPMain.
Make first autoscan synchronous for easier testing.