Upgrade duniter-ui to v0.2.9

package.json

@@ -79,7 +79,7 @@
   },
   "devDependencies": {
     "coveralls": "2.11.4",
-    "duniter-ui": "0.2.8",
+    "duniter-ui": "0.2.9",
     "eslint": "0.21.1",
     "eslint-plugin-mocha": "0.2.2",
     "istanbul": "0.4.0",