added colormap support to labels

svn path=/trunk/matplotlib/; revision=1064

Author: jdh2358

lib/matplotlib/contour.py

@@ -243,7 +243,7 @@ def set_label_props(self, label,text, color):
         label.set_text(text)
         label.set_color(color)
         label.set_fontproperties(self.fp)
-
+        label.set_clip_box(self.ax.bbox)
 
     def get_text(self, lev, fmt):
         "get the text of the label"