Updated docs/openbox, docs/bash

  * openbox/review.org: merged into one Org document settings scattered
    in several documents: menu.org, autostart.org, environ.org, rc.org;
    don't generate text files with keybinds info;
  * bash.org: updated 'xprofile' section;
  * data/openbox: removed;
  * openbox/{autostart,menu.xml,rc.xml}: updated, tangled from
    'review.org';
  * X/xprofile: updated, tangled from 'bash.org'.

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

  * renamed 'bash' to 'shell'.

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