Merge branch 'origin/master' into public/master

* origin/master:
  Updated submodule references
  BB-1016: Invalid title for 403 error page in dev mode on frontend
  Frozen akeneo/batch-bundle at version 0.4.2 because 0.4.3 fails installation
  BAP-8872: Create Doctrine ORM DataCollector. Remove overriden TWIG templates for Symfony data collectors
  BAP-8740: Update nelmio/api-doc-bundle to the version 2.9.0
  CRM-3948: MailChimp does not work on PostgreSQL
  BAP-8672: After upgrade to Symfony 2.7 'session.handler.pdo' not work.
  BAP-8750: Page resize does not work with Welcome page
  BAP-8751: Upgrade Twig to 1.20.0 version
  CRM-3783: Add check for ['HTTPS'] !== 'off'

Author: michael-oro

app/Resources/DoctrineBundle/views/Collector/db.html.twig

@@ -1,5 +1,8 @@
 {% extends status_code == 403 ? 'OroUIBundle:Default:index.html.twig' : 'TwigBundle::layout.html.twig' %}
 
+{% set pageTitle = status_code ~ ' ' ~ status_text ~ ' - ' ~ exception.message %}
+{% oro_title_set({titleTemplate : pageTitle, force : true}) %}
+
 {% block head_script %}
 {% endblock %}