A new S3 guiding system (legend and colorbar)

Author: kohske

DESCRIPTION

@@ -70,4 +70,4 @@ Collate: 'aaa-.r' 'aaa-constants.r' 'aaa-html.r' 'aes.r'
     'utilities-layer.r' 'utilities-matrix.r'
     'utilities-position.r' 'utilities-resolution.r'
     'utilities.r' 'xxx-codegen.r' 'xxx-digest.r' 'xxx.r'
-    'zxx.r' 'guides-.r'
+    'zxx.r' 'guides-.r' 'guide-legend.r' 'guide-colorbar.r'