Merge branch '1.3'

* 1.3:
  bumped version to 1.3.2-DEV
  prepared the 1.3.1 release
  updated CHANGELOG

doc/changelog.rst

@@ -19,9 +19,16 @@ Changelog
 * ``monolog.exception.logger_filter`` option added to Monolog service provider
 * [BC BREAK] ``$app['request']`` service removed, use ``$app['request_stack']`` instead
 
-1.3.1 (2015-XX-XX)
+1.3.2 (2015-XX-XX)
 ------------------
 
+* n/a
+
+1.3.1 (2015-08-04)
+------------------
+
+* added missing support for the Expression constraint
+* fixed the possibility to override translations for validator error messages
 * fixed sub-mounts with same name clash
 * fixed session logout handler when a firewall is stateless