ServiceStack/ServiceStack.Logging — pull request #15 by casnap (2013-04-10 17:11:56+00:00)
Title: Nuget package for log4net v1.2.10 missing due to incorrect nuspec file name

please refer to this thread and the linked message in particular
https://groups.google.com/d/msg/servicestack/Bbr6UqTH44E/BuH4vMB13XoJ