Merge branch '6.2' into 6.3

* 6.2:
  Add redirection for removed article
  Include % as a Special Character in URIs
  Merge VarDumper docs into one

Author: javiereguiluz

_build/redirection_map

@@ -538,6 +538,7 @@
 /components/security/firewall /security#the-firewall
 /components/security/secure_tools /security/passwords
 /components/security /security
+/components/var_dumper/advanced /components/var_dumper
 /email /mailer
 /frontend/assetic /frontend
 /frontend/assetic/index /frontend