[vtkusers] Where are the libraries?

[John Drescher]

> If you want to use Qt with visual studio, you need to install Qt plug-in for that specific version of VS. Plug-ins are available from Qt website.
>

You can work without that. I did for 1.5 years before using the
plugins. Either way I use cmake for the project files so the plugin
does not do that much for me. It does help with debugging though.

John