Big UberShader update

-Added GRAPHICS_MAX_LIGHTPERPASS macro
-Added glGetActiveUniform OpenGL function
-Added (Uber)ShaderLibrary
-Added (Uber)ShaderName parameter to models
-Changed uniform system
-Fixed Node copying
-Moved Material class to Graphics module
-Optimized lights
-Remade Shader class
-Renamed Node::Invalidate to Node::InvalidateNode
-Renamed ShaderProgram to Shader


Former-commit-id: 15f0cad52969e91a2442e7d750ba2dc412f3549d

src/Nazara/Graphics/Sprite.cpp

@@ -46,6 +46,7 @@ m_textureCoords(sprite.m_textureCoords),
 m_size(sprite.m_size),
 m_boundingVolumeUpdated(sprite.m_boundingVolumeUpdated)
 {
+	SetParent(sprite);
 }
 
 NzSprite::NzSprite(NzSprite&& sprite) :
@@ -161,9 +162,9 @@ bool NzSprite::FrustumCull(const NzFrustumf& frustum)
 	return frustum.Contains(m_boundingVolume);
 }
 
-void NzSprite::Invalidate()
+void NzSprite::InvalidateNode()
 {
-	NzSceneNode::Invalidate();
+	NzSceneNode::InvalidateNode();
 
 	m_boundingVolumeUpdated = false;
 }