Issue #1987802 by disasm, pfrenssen, laurentchardin, tim.plunkett, fgm, vijaycs85, plopesc, Xano, dawehner, h3rj4n: Convert path_admin_overview() to a new style controller.

Issue #1978938 by dawehner, sidharthap, disasm, Letharion, pfrenssen, laurentchardin, pguillard, somepal, mrded: Fixed Convert overlay_user_dismiss_message() to a Controller.

Issue #1978938 by sidharthap, disasm, laurentchardin, pguillard, dawehner, somepal: Convert overlay_user_dismiss_message() to a Controller.