fsprojects/Paket — pull request #453 by Vidarls (2014-12-12 19:27:53+00:00)
Title: Remove parsing of invalid child element of ProjectReference

Fixes issue #452.
According to http://msdn.microsoft.com/en-us/library/bb629388.aspx the Private element in question is not
a child element of ProjectReference item.
(Also it was not used anywhere at all)