Merge branch '2.7' into 2.8

* 2.7:
  Mention that PSR-1 doesn't recommend CamelCase or anything else
  minor #8091 Update js-datepicker usage for new jQuery UI (AdrianBorodziuk, javiereguiluz)
  minor #8983 cross-reference console command testing from testing guide (dbu)

Author: javiereguiluz

components/serializer.rst

@@ -423,8 +423,9 @@ CamelCase to snake_case
     interface was introduced in Symfony 2.7.
 
 In many formats, it's common to use underscores to separate words (also known
-as snake_case). However, PSR-1 specifies that the preferred style for PHP
-properties and methods is CamelCase.
+as snake_case). However, in Symfony applications is common to use CamelCase to
+name properties (even though the `PSR-1 standard`_ doesn't recommend any
+specific case for property names).
 
 Symfony provides a built-in name converter designed to transform between
 snake_case and CamelCased styles during serialization and deserialization
@@ -689,5 +690,6 @@ Learn more
     A popular alternative to the Symfony Serializer Component is the third-party
     library, `JMS serializer`_ (released under the Apache license, so incompatible with GPLv2 projects).
 
+.. _`PSR-1 standard`: http://www.php-fig.org/psr/psr-1/
 .. _`JMS serializer`: https://github.com/schmittjoh/serializer
 .. _Packagist: https://packagist.org/packages/symfony/serializer

reference/forms/types/date.rst

@@ -109,7 +109,7 @@ picker:
 
     <script>
         $(document).ready(function() {
-            // configure the bootstrap datepicker
+            // you may need to change this code if you are not using Bootstrap Datepicker
             $('.js-datepicker').datepicker({
                 format: 'yyyy-mm-dd'
             });

testing.rst

@@ -916,6 +916,7 @@ Learn more
 
     testing/*
 
+* :ref:`Testing a console command <console-testing-commands>`
 * :doc:`The chapter about tests in the Symfony Framework Best Practices </best_practices/tests>`
 * :doc:`/components/dom_crawler`
 * :doc:`/components/css_selector`