Updated docs/emacs and emacs.d

  * docs/emacs/emacs.org: now all tangled files go to `emacs.d';
  * emacs.d: list of files tangled from emacs.org:
    emacs, auctex-us.el, auto-complete-us.el, calendar-us.el,
    calfw-us.el, cdlatex-us.el, ebib-us.el, erc-us.el, eshell-us.el,
    ido-us.el, keybinds-us.el, magit-us.el, mail-us.el, org-us.el,
    spell-us.el, misc/cyrillic-dvorak.el, misc/rus-corrector-dvorak.el.

Signed-off-by: Vladimir Lomov <lomov.vl@gmail.com>