I have a solution which contains many class libraries and an ASP .NET website which references those assemblies.
When I build the solution from within the IDE, all a
You could always use a copy task in MSBuild to pull your assemblies into the proper directory. I asked a question not to long ago and ended up answering it myself. It shows how you can setup your Copy task to grab output from another project and pull it into your target project:
MSBuild copy output from another project into the output of the current project