1. Add more metrics
2. Fix a silly bug in throttler thread
	modified:   README.md
	modified:   Tester/TestConnection.cs
	modified:   Tester/TestStructure.cs
	modified:   multiplexingThrottler.sln
	modified:   multiplexingThrottler/CatchupThrottlerPolicyHandler.cs
	modified:   multiplexingThrottler/DeviceManager.cs
	modified:   multiplexingThrottler/DeviceMetric.cs
	deleted:    multiplexingThrottler/DummyThrottlerPolicyHandler.cs
	modified:   multiplexingThrottler/IDeviceManager.cs
	modified:   multiplexingThrottler/MultiplexThrottler.cs
	modified:   multiplexingThrottler/Program.cs
	modified:   multiplexingThrottler/SimplePerDataBlockThrottlerPolicyHandler.cs
	modified:   multiplexingThrottler/multiplexingThrottler.csproj
	multiplexingThrottler/UnlimitedThrottlerPolicyHandler.cs
	modified:   Tester/TestConnection.cs
	modified:   multiplexingThrottler/CatchupThrottlerPolicyHandler.cs
	modified:   multiplexingThrottler/DeviceManager.cs
	modified:   multiplexingThrottler/DeviceMetric.cs
	modified:   multiplexingThrottler/SimplePerDataBlockThrottlerPolicyHandler.cs
	multiplexingThrottler/UnlimitedThrottlerPolicyHandler.cs
Rename dummy throttler to unlimitedThrottler.
	new file:   multiplexingThrottler/UnlimitedThrottlerPolicyHandler.cs