.emacs: fix python imenu
bin/Linux/config/pkgs/debootstrap: for pbuilder
bin/build-beagrep-debs: fix beagrep deb build script
gcode/ibus-sdim/engine/table.py: fix ibus too many socket error for sdim

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