Merge branch '2.7' into 2.8

* 2.7:
  [Security] Fix composer.json

Author: nicolas-grekas

src/Symfony/Component/Security/composer.json

@@ -45,11 +45,6 @@
         "symfony/expression-language": "~2.6|~3.0.0",
         "symfony/ldap": "~2.8|~3.0.0"
     },
-    "replace": {
-      "symfony/security-acl": "self.version",
-      "symfony/security-core": "self.version",
-      "symfony/security-http": "self.version"
-    },
     "suggest": {
         "symfony/class-loader": "For using the ACL generateSql script",
         "symfony/finder": "For using the ACL generateSql script",