Issue #3325557 by longwave, mondrake, kim.pepper: Enable more service autowiring by adding interface aliases to core modules

Issue #1446932 by timmillwood, mallezie, RobLoach, hussainweb, Wim Leers, rpayanm, kostyashupenko, mparker17, dawehner, Berdir, Crell: Improve statistics performance by adding a swappable backend