Issue #2400407 by hussainweb: Upgrade Twig to latest version

core/composer.json

core/composer.lock

core/vendor/composer/installed.json

core/vendor/twig/twig/.travis.yml

core/vendor/twig/twig/CHANGELOG

core/vendor/twig/twig/composer.json

core/vendor/twig/twig/doc/advanced.rst

core/vendor/twig/twig/doc/deprecated.rst

core/vendor/twig/twig/doc/recipes.rst

core/vendor/twig/twig/doc/templates.rst

core/vendor/twig/twig/ext/twig/php_twig.h

core/vendor/twig/twig/lib/Twig/Autoloader.php

core/vendor/twig/twig/lib/Twig/BaseNodeVisitor.php

core/vendor/twig/twig/lib/Twig/Compiler.php

core/vendor/twig/twig/lib/Twig/Environment.php

core/vendor/twig/twig/lib/Twig/ExpressionParser.php

core/vendor/twig/twig/lib/Twig/Extension/Core.php

core/vendor/twig/twig/lib/Twig/Extension/Escaper.php

core/vendor/twig/twig/lib/Twig/Extension/Profiler.php

core/vendor/twig/twig/lib/Twig/Filter.php