Merge branch '5.4' into 6.0

* 5.4:
  Backport changes to prepare typed properties
  Cast ini_get to an integer to match expected type
  Add no-interaction for SYMFONY_PHPUNIT_REMOVE
  Add no-interaction for SYMFONY_PHPUNIT_REQUIRE on prophecy
  Fix deps
  [Mailer] Added OhMySMTP Bridge
  [Notifier] Add Esendex message ID to SentMessage object
  Remove indices in messenger table on MySQL to prevent deadlocks while removing messages when running multiple consumers
  autoconfigure chatter.transport_factory
  Handle ignoreExtraKeys in config builder

Author: derrabus

bin/simple-phpunit.php

@@ -224,10 +224,10 @@
     @copy("$PHPUNIT_VERSION_DIR/phpunit.xsd", 'phpunit.xsd');
     chdir("$PHPUNIT_VERSION_DIR");
     if ($SYMFONY_PHPUNIT_REMOVE) {
-        $passthruOrFail("$COMPOSER remove --no-update ".$SYMFONY_PHPUNIT_REMOVE);
+        $passthruOrFail("$COMPOSER remove --no-update --no-interaction ".$SYMFONY_PHPUNIT_REMOVE);
     }
     if ($SYMFONY_PHPUNIT_REQUIRE) {
-        $passthruOrFail("$COMPOSER require --no-update ".$SYMFONY_PHPUNIT_REQUIRE);
+        $passthruOrFail("$COMPOSER require --no-update --no-interaction ".$SYMFONY_PHPUNIT_REQUIRE);
     }
     if (5.1 <= $PHPUNIT_VERSION && $PHPUNIT_VERSION < 5.4) {
         $passthruOrFail("$COMPOSER require --no-update phpunit/phpunit-mock-objects \"~3.1.0\"");