.emacs_d/lisp/bhj-set-key.el: do not mess with org-mode key binding
bin/Darwin/after-check-out.sh: do not install my version of bash info if system is fixed already
bin/adb-set-wifi-ap: fix wifi on the phone
bin/delete-dup-files: delete dup files using md5sum
bin/gerrit-push-review: do not challenge
bin/gnus: let me know if the offlineimap is down
bin/switch-to-vga: close hdmi

Signed-off-by: Bao Haojun <baohaojun@gmail.com>