Pr/40 (#45)

* Added basic Aquastream Hardware Support using HidLibrary from mikeobrien (https://github.com/mikeobrien/HidLibrary)

* * Using hidlibrary from Nuget and fixing ProductName.
* Added missing string Format for Gadget.
* Changed variable names to follow style.
* Added new newlines. Make AquacomputerGroup public accessible.
* Added aquacomputer Icon after they allowed me to use it ;-)

* Corrected spelling
Corrected Variable names

* Removed External/HidLibrary

* Aquastream

- Remove Debug.

* A

- Clean up remains.

GUI/SensorNode.cs

@@ -54,6 +54,7 @@ namespace OpenHardwareMonitor.GUI {
         case SensorType.Data: format = "{0:F1} GB"; break;
         case SensorType.SmallData: format = "{0:F1} MB"; break;
         case SensorType.Factor: format = "{0:F3}"; break;
+        case SensorType.Frequency: format = "{0:F1} Hz"; break;
       }
 
       bool hidden = settings.GetValue(new Identifier(sensor.Identifier,