请问这个怎么办
https://social.msdn.microsoft.com/Forums/en-US/1c28db45-9b11-4711-8f73-24822f7b8f8b/referencemanagerpackage?forum=visualcshartzhchs
更新问题
http://www.cnblogs.com/Dlonghow/archive/2012/03/16/2399993.html
http://stackoverflow.com/questions/15986541/unable-to-add-reference-in-visual-studio-2012-referencemanagerpackage
