Use the same protected data instance for the fake webfarm.
Removed unused parameter.
Fixed WindowsStoreCSharp sample to target correct bcl targets
Updated JSON.NET dependency
Updated Nuspec's

#1932
Merge branch 'release' into dev

Conflicts:
	samples/Microsoft.AspNet.SelfHost.Samples/packages.config
	src/Microsoft.AspNet.SignalR.Core/packages.config