code cleanup; fix move ctors and assignment

JSON/include/Poco/JSON/Array.h

@@ -73,16 +73,16 @@ public:
 	Array(const Array& copy);
 		/// Creates an Array by copying another one.
 
-	Array(Array&& other);
+	Array(Array&& other) noexcept;
 		/// Move constructor
 
-	Array& operator=(Array&& other);
-		/// Move assignment operator.
-
-	Array& operator=(const Array& other);
+	Array& operator = (const Array& other);
 		/// Assignment operator.
 
-	virtual ~Array();
+	Array& operator = (Array&& other) noexcept;
+		/// Move assignment operator.
+
+	~Array();
 		/// Destroys the Array.
 
 	void setEscapeUnicode(bool escape = true);

JSON/include/Poco/JSON/Object.h

@@ -84,18 +84,18 @@ public:
 		/// Struct is not copied to keep the operation as
 		/// efficient as possible (when needed, it will be generated upon request).
 
-	Object(Object&& other);
+	Object(Object&& other) noexcept;
 		/// Move constructor
 
-	Object &operator =(Object &&other);
-		// Move asignment operator
-
-	virtual ~Object();
+	~Object();
 		/// Destroys the Object.
 
-	Object &operator =(const Object &other);
+	Object &operator = (const Object &other);
 		// Assignment operator
 
+	Object &operator = (Object &&other) noexcept;
+		// Move asignment operator
+
 	void setEscapeUnicode(bool escape = true);
 		/// Sets the flag for escaping unicode.