Updated example env files after upgrading to laraval 5.2

.env.example

@@ -11,15 +11,21 @@ DB_PASSWORD=secret
 
 CACHE_DRIVER=file
 SESSION_DRIVER=file
+QUEUE_DRIVER=sync
 
 DEFAULT_CURRENCY=EUR
 DEFAULT_LANGUAGE=en_US
 
-EMAIL_SMTP=
-EMAIL_DRIVER=smtp
-EMAIL_USERNAME=
-EMAIL_PASSWORD=
-EMAIL_PRETEND=false
+REDIS_HOST=localhost
+REDIS_PASSWORD=null
+REDIS_PORT=6379
+
+MAIL_DRIVER=smtp
+MAIL_HOST=mailtrap.io
+MAIL_PORT=2525
+MAIL_USERNAME=null
+MAIL_PASSWORD=null
+MAIL_ENCRYPTION=null
 
 SHOW_INCOMPLETE_TRANSLATIONS=false