Updated several projects in docs

  * tint2/tint2.org: small cleans up;
  * gmrun/workflow.org: removed unused and 'dead' code, rewrite
    some sections;
  * feh/feh.org: small cleans up;
  * emacs/emacs.org: small change to spell checking settings (still
    don't work as expected);
  * (TOP):
    - emacs.d/spell-us.el: regenerated;
    - feh/keys: regenerated;
    - gmrun/gmrunrc: regenerated.

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