Example react-native-modalbox dependency updated to 1.2.8

Author: maxs15

Example/package.json

@@ -8,6 +8,6 @@
   "dependencies": {
     "react-native": "^0.17.0",
     "react-native-button": "^1.3.1",
-    "react-native-modalbox": "^1.2.7"
+    "react-native-modalbox": "^1.2.8"
   }
 }