Add a package 'rotating'
Add the package 'booktabs'
"C-g" doesn't behave as [escape], but "C-g", when skk-henkan-mode in non-nil
Configure the startup of Emacs
Don't use auto-insert-mode, use yasnippet instead
Kill minibuffer contents from point in helm-mode
Use add-to-list instead of setq and append
Configure the frame appearance as soon as possible
Remove an unnecessary 'require' of 'session'
Make popwin handle the window of 'dired-mode'
Use 'add-to-list' instead of 'push'
Enable modes by calling without arguments