Move YGLogger into YGConfig and associate YGNodeRef with log events

Summary:
Moves the `YGLogger` into `YGConfig` and pass the `YGNodeRef` into the logger to be able to associate the log messages and assertions with the specific node.

Tackles facebook/yoga#530 and facebook/yoga#446
Closes https://github.com/facebook/yoga/pull/531

Reviewed By: astreet

Differential Revision: D4970149

Pulled By: emilsjolander

fbshipit-source-id: b7fcdaa273143ea2fa35861620b2e4d79f04f0af

csharp/Yoga/YGInterop.h

@@ -13,8 +13,13 @@
 
 YG_EXTERN_C_BEGIN
 
-typedef void (*YGInteropLoggerFunc)(YGLogLevel level, const char *message);
+typedef int (*YGInteropLogger)(const void *unmanagedConfigPtr,
+                               const void *unmanagedNodePtr,
+                               YGLogLevel level,
+                               const char *message);
 
-WIN_EXPORT void YGInteropSetLogger(YGInteropLoggerFunc managedFunc);
+WIN_EXPORT YGConfigRef YGConfigGetDefault();
+
+WIN_EXPORT void YGInteropSetLogger(YGInteropLogger managedLogger);
 
 YG_EXTERN_C_END