CSHARP-791: Don't let an exception on one connection cause us to think that we are no longer connected to the server.
CSHARP-791: Ignore any exceptions thrown by KillCursor.
CSHARP-801: The container parameter to GenerateId should be a MongoCollection (not an InsertOperation).
CSHARP-803 - Ignore overriden id members when applying NamedIdMemberConvention
CSHARP-810: Save should work with a polymorphic _id (or any custom serialization of an _id).
Fixed some unit tests that were failing against server 2.5.2.