fixed the building errors and warnings in QuickStart samples
improved the exception catching in the SocketEngine
improved the MultipleAppServer sample project
updated NUnit
added Udp test cases for the built-in receive filters
fixed a bug which can cause the closed event will be fired multiple times
added more test cases for ReceiveFilters
improved the code about process level isolation
added Json.NET into the reference folder
supported system message transfer
removed a useless console write line which was used for debug
changed the run server parameter from "c" to "r"
improved the bootstrap remote access api
supported start/stop server instance individually
added more reference assemblies for management client application
updated references for management client
update the code of management server and client
refacted the code about status info metadata
changed StatusInfoMetadat to StatusInfoAttribute
implement server metadata transferring