Update minimum required version for ubuntu-vanilla-theme

package.json

@@ -33,7 +33,7 @@
     "url": "http://code.ubuntu-it.org/ubuntu-it-web/ubuntuit-vanilla-theme.git"
   },
   "dependencies": {
-    "ubuntu-vanilla-theme": "^0.0.12"
+    "ubuntu-vanilla-theme": "^0.0.34"
   },
   "devDependencies": {
     "autoprefixer": "~5.2.0",
@@ -43,6 +43,6 @@
     "postcss": "^5.0.13"
   },
   "peerDependencies": {
-    "ubuntu-vanilla-theme": "^0.0.12"
+    "ubuntu-vanilla-theme": "^0.0.34"
   }
 }