Merge branch '3.4' into 4.2

* 3.4:
  moved XSD to HTTPS

Author: fabpot

Resources/config/services.xml

@@ -2,7 +2,7 @@
 
 <container xmlns="http://symfony.com/schema/dic/services"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+    xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd">
 
     <parameters>
         <parameter key="env(VAR_DUMPER_SERVER)">127.0.0.1:9912</parameter>