...then feel free to download the sources here:
When you install the module, you'll have a new sample called "Visual Library Integration Module Sample" in the Samples category (the highest level) in the New Project wizard.
When you look at the sources, you'll also be able to see how the context-aware help assistant works (i.e., that's the upper panel which has a message that changes, depending on what actions you perform). And, there is only one file in the whole module that makes use of the Visual Library:
There are still a couple of open issues, such as the layers not working properly (sometimes new items are hidden behind old items, such as the map). But most of the functionality is there. Again, you'll need to get the Graph library sources and make sure you have the two JARs mentioned in yesterday's blog available to your NetBeans Platform.