Use country data from an NPM package

To prepare to upgrade react-telephone-input which removed this module

package.json

@@ -44,6 +44,7 @@
     "classnames": "2.2.5",
     "cookie": "0.2.2",
     "copy-webpack-plugin": "0.2.0",
+    "country-telephone-data": "0.5.5",
     "create-react-class": "15.6.2",
     "css-loader": "0.23.1",
     "eslint": "4.7.1",

src/components/forms/phone-input.jsx

@@ -1,4 +1,4 @@
-const allCountries = require('react-telephone-input/lib/country_data').allCountries;
+const allCountries = require('country-telephone-data').allCountries;
 const classNames = require('classnames');
 const ComponentMixin = require('formsy-react-components').ComponentMixin;
 const createReactClass = require('create-react-class');