Remove most NVIDIA-specific references in code

app/src/main/java/com/limelight/nvstream/http/HostHttpResponseException.java

@@ -0,0 +1,28 @@
+package com.limelight.nvstream.http;
+
+import java.io.IOException;
+
+public class HostHttpResponseException extends IOException {
+    private static final long serialVersionUID = 1543508830807804222L;
+    
+    private int errorCode;
+    private String errorMsg;
+    
+    public HostHttpResponseException(int errorCode, String errorMsg) {
+        this.errorCode = errorCode;
+        this.errorMsg = errorMsg;
+    }
+    
+    public int getErrorCode() {
+        return errorCode;
+    }
+    
+    public String getErrorMessage() {
+        return errorMsg;
+    }
+    
+    @Override
+    public String getMessage() {
+        return "Host PC returned error: "+errorMsg+" (Error code: "+errorCode+")";
+    }
+}