Merge branch '2.7' into 2.8

* 2.7: (22 commits)
  Tests and fix for issue in array model data in EntityType field with multiple=true
  [Form] Fixed PercentToLocalizedStringTransformer to accept both comma and dot as decimal separator, if possible
  removed useless PHPDoc
  [Form] Fix FormInterface::submit() annotation
  PdoSessionHandler: fix advisory lock for pgsql when session.sid_bits_per_character > 4
  HttpCache does not consider ESI resources in HEAD requests
  Fix translation for "This field was not expected"
  [Routing] Enhance Route(Collection) docblocks
  Added improvement for accuracy in MoneyToLocalizedStringTransformer.
  Removed unused private property
  Use correct verb form in the pull request template
  Use PHP_MAXPATHLEN in Filesystem.
  Added null as explicit return type (?TokenInterface)
  [FrameworkBundle] Fix Routing\DelegatingLoader
  Render all line breaks according to the exception message
  [Form] Fix phpdoc
  [DI] remove confusing code
  [Form] Fixed GroupSequence with "constraints" option
  [Validator] Clarify UUID validator behavior
  [Filesystem] Fixed makePathRelative
  ...

Author: nicolas-grekas

Expression.php

@@ -21,8 +21,6 @@ class Expression
     protected $expression;
 
     /**
-     * Constructor.
-     *
      * @param string $expression An expression
      */
     public function __construct($expression)

ExpressionFunction.php

@@ -35,8 +35,6 @@ class ExpressionFunction
     private $evaluator;
 
     /**
-     * Constructor.
-     *
      * @param string   $name      The function name
      * @param callable $compiler  A callable able to compile the function
      * @param callable $evaluator A callable able to evaluate the function

Node/Node.php

@@ -24,8 +24,6 @@ class Node
     public $attributes = array();
 
     /**
-     * Constructor.
-     *
      * @param array $nodes      An array of nodes
      * @param array $attributes An array of attributes
      */

ParsedExpression.php

@@ -23,8 +23,6 @@ class ParsedExpression extends Expression
     private $nodes;
 
     /**
-     * Constructor.
-     *
      * @param string $expression An expression
      * @param Node   $nodes      A Node representing the expression
      */

SerializedParsedExpression.php

@@ -21,8 +21,6 @@ class SerializedParsedExpression extends ParsedExpression
     private $nodes;
 
     /**
-     * Constructor.
-     *
      * @param string $expression An expression
      * @param string $nodes      The serialized nodes for the expression
      */

Token.php

@@ -30,8 +30,6 @@ class Token
     const PUNCTUATION_TYPE = 'punctuation';
 
     /**
-     * Constructor.
-     *
      * @param string $type   The type of the token (self::*_TYPE)
      * @param string $value  The token value
      * @param int    $cursor The cursor position in the source

TokenStream.php

@@ -25,8 +25,6 @@ class TokenStream
     private $expression;
 
     /**
-     * Constructor.
-     *
      * @param array  $tokens     An array of tokens
      * @param string $expression
      */