get ready for building .rpm for aliwangwang
bin/update-machrc: update the mach config for .rpm building

Signed-off-by: Bao Haojun <baohaojun@gmail.com>
../src/github/lww/AliWangWangLinux_back/gdb.sh: allow debug lww outside of src dir
.bashrc-interactive: do not fix the last dir for rsync
bin/send-key: multiline text send
doc/sawfish.ahk: allow to switch window of the same exe

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