Added Meshes and Animations (And many more)

Added NzTexture::IsMipmappingSupported
Color::(FromTo)HSV now takes hue and saturation in degrees
Fixed Context::EnsureContext
Fixed COW thread-safety (String, Image, Matrix4)
Fixed Quatenion<T>::operator*(const Vector3<T>&)
Fixed ResourceLoader
Fixed String::Resize with a size of 0
Fixed Texture mipmapping crash
Fixed per-class thread-safety
IndexBuffer and VertexBuffer are now resources
It is now possible to use more than 8 texcoords per shader
Moved all enumerations into separate files (Core/Enums.hpp,
Utility/Enums.hpp, ..)
Removed NzContextParameters::defaultWindow
VertexDeclaration has been rewritten (New interface/COW)

include/Nazara/Core/Directory.hpp

@@ -19,8 +19,11 @@
 	#define NAZARA_DIRECTORY_SEPARATOR '/'
 #endif
 
-#define NAZARA_CLASS_DIRECTORY
+#if NAZARA_THREADSAFETY_DIRECTORY
 #include <Nazara/Core/ThreadSafety.hpp>
+#else
+#include <Nazara/Core/ThreadSafetyOff.hpp>
+#endif
 
 class NzDirectoryImpl;
 
@@ -59,6 +62,4 @@ class NAZARA_API NzDirectory
 		NzDirectoryImpl* m_impl;
 };
 
-#undef NAZARA_CLASS_DIRECTORY
-
 #endif // NAZARA_DIRECTORY_HPP