Fix Sprite & GraphicsComponent copy constructors leaving some members uninitialized (#166)

* Fix Sprite copy constructor (corner colors)

* Also add change to changelog

* [GraphicsComponent] Bugfix: Initialize m_scissorRect in copy ctor

* Add change to changelog

* Move GraphicsComponent fix change to correct section in Changelog

* Use default copy constructor for Sprite

include/Nazara/Graphics/Sprite.inl

@@ -50,21 +50,6 @@ namespace Nz
 		SetTexture(texture, true);
 	}
 
-	/*!
-	* \brief Constructs a Sprite object by assignation
-	*
-	* \param sprite Sprite to copy into this
-	*/
-
-	inline Sprite::Sprite(const Sprite& sprite) :
-	InstancedRenderable(sprite),
-	m_color(sprite.m_color),
-	m_textureCoords(sprite.m_textureCoords),
-	m_size(sprite.m_size),
-	m_origin(sprite.m_origin)
-	{
-	}
-
 	/*!
 	* \brief Gets the color of the sprite
 	*