Issue #1986606 by jibran, pcambra, vijaycs85, dawehner, andypost, mbovan, Arla, adnen, vprocessor, tkuldeep17, xjm, kim.pepper, dobe, snig, larowlan, miro_dietiker, tim.plunkett, Berdir, Lendude, plach, olli, damiankloip: Convert the comments administration screen to a view

Issue #1898464 by jenlampton, Cottser, joelpittet, steveoliver, Dustin Currie, shanethehat, cafuego, mr.baileys, adnen: toolbar.module - Convert theme_ functions to Twig.