.emacs_d/lisp/ajoke.el: make it more flexible
.emacs_d/yasnippet/snippets/python-mode/pl: print line for debug
.sawfish/start/ww: enable debug with ww as a simple command, also, make ibus work for switch-home programs

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