fixes lack of ServiceStack.Logging.Log4Netv1210 in Nuget
please refer to this thread and the linked message in particular
https://groups.google.com/d/msg/servicestack/Bbr6UqTH44E/BuH4vMB13XoJ
Merge pull request #15 from casnap/master

Nuget package for log4net v1.2.10 missing due to incorrect nuspec file name