Merge pull request #2503 from enquora/master

Fix CPBox drawing artifacts when used in CPSeparator mode

AppKit/CPBox.j

@@ -630,7 +630,11 @@ var CPBoxTypeKey          = @"CPBoxTypeKey",
             [_contentView setSubviews:[malformedContentView subviews]];
             [self replaceSubview:malformedContentView with:_contentView];
         }
-
+        else
+        {
+            _titlePosition = CPNoTitle;        
+        }
+        
         [self setAutoresizesSubviews:YES];
         [_contentView setAutoresizingMask:CPViewWidthSizable | CPViewHeightSizable];