Added support for getting reference assemblies from the host.
- Updated all packages

#2013
Fix errors that occur when streams don't match cursors
- Reset cursors when the number of streams and cursors
  don't match.
- Added unit tests

#2024
Merge branch 'release' into dev

Conflicts:
	samples/Microsoft.AspNet.SignalR.Samples/Scripts/jquery.signalR.min.js