Adapt countries to add country code, create command to populate or update countries and translate countries to chill_main.available languages. Fix #317 and fix #316

The LoadCountries Data fixtures are also updated. Both Command and DataFixtures/ORM/LoadCountries use the same static function.

[ci skip]

Resources/config/doctrine/Country.orm.yml

@@ -7,7 +7,9 @@ Chill\MainBundle\Entity\Country:
             id: true
             generator:
                 strategy: AUTO
-        label:
+        name:
+            type: json_array
+        countryCode:
             type: string
-            length: 255
+            length: 3
     lifecycleCallbacks: {  }