Merge remote-tracking branch 'dries/8.x' into dbtngtng

core/includes/archiver.inc

core/includes/bootstrap.inc

core/includes/cache.inc

core/includes/common.inc

core/includes/menu.inc

core/includes/theme.inc

core/includes/updater.inc

core/misc/autocomplete.js

core/misc/states.js

core/misc/tabledrag.js

core/misc/tableselect.js

core/modules/block/block.admin.css

core/modules/block/block.js

core/modules/comment/comment.module

core/modules/comment/comment.test

core/modules/contextual/contextual-rtl.css

core/modules/contextual/contextual.css

core/modules/dashboard/dashboard.css

core/modules/field/field.info.inc

core/modules/file/file.js