Move awakeFromNib implementation to NSObject instead of NSView, as discussed in the documentation

Source/NSNib.m

@@ -53,6 +53,16 @@
 #import "AppKit/NSNibLoading.h"
 #import "GNUstepGUI/GSModelLoaderFactory.h"
 
+
+@implementation NSObject (NSNibLoading)
+
+- (void) awakeFromNib
+{
+  // empty implementation, so that all objects respond...
+}
+
+@end
+
 @implementation NSNib
 
 // private method to read in the data...

Source/NSView.m

@@ -5231,10 +5231,6 @@ static NSView* findByTag(NSView *view, NSInteger aTag, NSUInteger *level)
   return 0;
 }
 
-- (void) awakeFromNib
-{
-}
-
 @end
 
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_7, GS_API_LATEST)