Restoring nuget packages for the VS solutions as well so that we have all the packages restored when we start generating the InternalsVisibleTo attributes
Restoring nuget packages for the VS solutions as well so that we have all the packages restored when we start generating the InternalsVisibleTo attributes

references #177

nbuildkit/nBuildKit.MsBuild,pvandervelde/nBuildKit.MsBuild,pvandervelde/nBuildKit