Issue #2752413 by danmuzyka, alexpott, jhedstrom: Custom CSS classes added to status messages print on page as content when using Classy theme or subthemes
(cherry picked from commit 790c021d7807ba327a4feaa95e152de2c14ce3b5)
Issue #2725947 by John Cook, mgifford, naveenvalecha, andrewmacpherson, Wim Leers, cmcnally, stella, stevepurkiss: Add Andrew Macpherson to the MAINTAINERS.txt
(cherry picked from commit 3f1ad36a887759b37fdc77bab8d7a819b65372ee)
Revert "Issue #2759879 by klausi, claudiu.cristea, dawehner, Lendude, jibran: Additional assertions for WebAssert and AssertLegacyTrait, part 2"
This reverts commit 4bc34053d9ac1ff6dd549c290fe2be3655e1b34a.