Issue #1885564 by joelpittet, SebCorbin, Cottser, mpdonadio, David_Rothstein, drupalninja99, jenlampton, lauriii, rteijeiro, mbrett5062, akalata, Devin Carlson, trevorkjorlien, longwave, socketwench, shanethehat, aboros: theme.maintenance.inc (authorize.php) - Convert theme_ functions to Twig