Ghost Context Refactor

https://developer.blender.org/D643
Separates graphics context creation from window code in Ghost so that they can vary separately.

source/creator/creator.c

@@ -1609,21 +1609,6 @@ int main(
 #endif
 
 	setCallbacks();
-#if defined(__APPLE__) && !defined(WITH_PYTHON_MODULE)
-	/* patch to ignore argument finder gives us (pid?) */
-	if (argc == 2 && strncmp(argv[1], "-psn_", 5) == 0) {
-		extern int GHOST_HACK_getFirstFile(char buf[]);
-		static char firstfilebuf[512];
-
-		argc = 1;
-
-		if (GHOST_HACK_getFirstFile(firstfilebuf)) {
-			argc = 2;
-			argv[1] = firstfilebuf;
-		}
-	}
-
-#endif
 
 #ifdef __FreeBSD__
 	fpsetmask(0);