Merge pull request #45 from php-translation/bocharsky-bw-patch-3

Add 'enabled: true' and list supported translators

Author: bocharsky-bw

symfony/auto-translate.rst

@@ -31,7 +31,8 @@ Configuration
     translation:
       # ..
       fallback_translation:
-        service: 'google'
+        enabled: true
+        service: 'google' # One of "google", "yandex", or "bing"
         api_key: 'foobar'
       # ..