Read Nvidia Driver version via NVML

src/main/java/com/sheepit/client/os/OS.java

@@ -63,6 +63,11 @@ public abstract class OS {
 		return null;
 	}
 	
+	//path to NVIDIA NVML lib
+	public String getNVMLLib() {
+		return null;
+	}
+	
 	public abstract boolean getSupportHighPriority();
 	
 	public abstract boolean checkNiceAvailability();