Added change logs for 1.6.1 release.

CSharpDriver-2010.sln

@@ -30,6 +30,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Release Notes", "Release No
 		Release Notes\Change Log v1.5-Driver.txt = Release Notes\Change Log v1.5-Driver.txt
 		Release Notes\Change Log v1.6-Bson.txt = Release Notes\Change Log v1.6-Bson.txt
 		Release Notes\Change Log v1.6-Driver.txt = Release Notes\Change Log v1.6-Driver.txt
+		Change Log v1.6.1-Bson.txt = Change Log v1.6.1-Bson.txt
+		Change Log v1.6.1-Driver.txt = Change Log v1.6.1-Driver.txt
 		Release Notes\Release Notes v0.11.txt = Release Notes\Release Notes v0.11.txt
 		Release Notes\Release Notes v0.7.txt = Release Notes\Release Notes v0.7.txt
 		Release Notes\Release Notes v0.9.txt = Release Notes\Release Notes v0.9.txt

Change Log v1.6.1-Bson.txt

@@ -0,0 +1,14 @@
+BSON library changes from 1.6 to 1.6.1
+
+BsonTypeMapper.cs
+    Map subclasses of BsonDocument correctly
+    Special case mapping of objects that can be simply cast to BsonValue
+
+BsonValue.cs
+    Fix implementation of IConvertible for ObjectId
+
+ObjectId.cs
+    Now implements IConvertible
+
+BsonClassMapSerializer.cs
+    Handle serializing/deserializing null values for properties/fields that are declared as an interface

Change Log v1.6.1-Driver.txt

@@ -0,0 +1,37 @@
+C# driver changes from 1.6 to 1.6.1
+
+MongoCollection.cs
+	Commands are now sent using the collection's settings (not the database's)
+
+MongoConnectionStringBuilder.cs
+MongoDefaults.cs
+MongoServerSettings.cs
+MongoUrl.cs
+MongoUrlBuilder.cs
+    Made secondaryAcceptableLatency configurable
+
+MongoCursorEnumerator.cs
+	Added white list of commands that can be sent to secondaries (all others are sent to the primary)
+	ReadPreferences of Primary and SecondaryPreferred (without tags) are now encoded on the wire using only the slaveOk bit
+	    all other ReadPreferences are encoded using $readPreference
+	Fixed wrapping of queries so $query always goes first and not $readPreference
+
+MongoDatabase.cs
+	RunCommandAs now delegates to new RunCommandAs method in MongoCollection
+
+ReadPreference.cs
+    Removed ChooseServerInstance and moved logic to MongoServerProxies
+
+ConnectedInstanceCollection.cs
+    Removed ChooseServerInstance and moved logic to MongoServerProxies
+	Added GetAllInstances,
+	Added GetPrimary
+	Added GetPrimaryAndSecondaries
+	Added GetSecondaries
+
+ReplicaSetMongoServerProxy.cs
+ShardedMongoServerProxy.cs
+	Implemented proxy specific implementations of ChooseServerInstance
+
+BsonSerializationInfoHelper.cs
+	GetSerializationInfo now partially evaluates the node to support more LINQ queries correctly