New features
[14b4002] Added a way to exit impersonation (@lyrixx)
[bc5a2bf][2c46819] Allow substitute entity before persisting (@grachevko)
[11eac49] Added more overridable Twig blocks in the default show.html.twig template (@ktrzos)
Bug fixes
[fb0ac3e] Always use the custom templates in list/show pages if a field defines one (@javiereguiluz)
[370487f] Updated branch alias to 1.17.x in composer.json (@soullivaneuh)
[8bb97c6] Updated Italian translations (@sbeff)
[e8c8806] Fixed a Symfony 3.4 deprecation in tests (@javiereguiluz)