Fix and/or simplify terminal initialization files.
* lisp/faces.el (tty-create-frame-with-faces): Set up faces and
background mode only after the terminal has been initialized.
(frame-set-background-mode): Handle the 'background-mode terminal
parameter.
(tty-run-terminal-initialization): Add type option.
* lisp/term/README: Update.
* lisp/term/rxvt.el: Simplify.
* lisp/term/xterm.el: Simplify and fix.
* lisp/term/*.el: Simplify and fix.
git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-564