When I tried to find a test solution, I actually saw the same thing as you. But after clearing my solution and rebooting VS, it started working correctly.
PM> Get-Package -Updates Id Version Description/Release Notes -- ------- ------------------------- EntityFramework 5.0.0 Entity Framework is Microsoft recommended data access technology for new applications. jQuery 2.0.0 jQuery is a new kind of JavaScript Library.... jQuery.UI.Combined 1.10.2 jQuery UI is an open source library of interface components β interactions, full-featured widgets, and animation effects β based on the stellar jQuery javascript library . Each component is built according to jQ... jQuery.Validation 1.11.1 This jQuery plugin makes simple clientside form validation trivial, while offering lots of option for customization. That makes a good choice if you're building something new from scratch, but also when you're t... Modernizr 2.6.2 Modernizr adds classes to the <html> element which allow you to target specific browser functionality in your stylesheet. You don't actually need to write any Javascript to use it.... T4MVC 3.5.4 T4MVC is a T4 template that generates strongly typed helpers for ASP.NET MVC. T4MVCExtensions 3.5.4 Runtime helpers used by code generated by T4MVC
So I'm not sure what a deal is, and this is probably a NuGet bug, but at least it can provide a workaround.
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