Update JSDOM to 0.2.8.

package.json

@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "uglify-js": "1.1.1",
-    "jsdom": "0.2.7",
+    "jsdom": "0.2.8",
     "vows": "0.5.11"
   }
 }

src/package.js

@@ -11,7 +11,7 @@ require("util").puts(JSON.stringify({
   "repository": {"type": "git", "url": "http://github.com/mbostock/d3.git"},
   "dependencies": {
     "uglify-js": "1.1.1",
-    "jsdom": "0.2.7",
+    "jsdom": "0.2.8",
     "vows": "0.5.11"
   }
 }, null, 2));