add package insert-shebang to auto insert file headers.
add package ace-isearch.
disable ace-isearch.
add init library file. add region simple function.
add Emacs macro usage comment.
add macro/kmacro key prefix into guide-key list.
add Emacs debug usage comments.
custom many minibuffer options.
add a function for general translate dwim usage. and a keybinding for this translate-dwim function.
add package babel.
add package awk-it.
disable awk-it.
use iconv to convert encoding to utf-8 for mu4e html2text command.
add helm-robe for `robe-doc' completing robe doc with helm.
replace auto-complete with company-mode.
change some my custom functions' name.
adjust indent.
add functions and bind keybindings for insert key style markups.
update obsolete function.
enable cedet again.