[emacs] Try to fix c++ indentation again
[emacs] Try to fix c++ indentation again

* disable indent-tabs-mode by default
* enable indent-tabs-mode for cc-mode languages, elisp, python
* use "elemtel" indentation style, which is similar to allman
* use tab-width instead of deprecated default-tab-width
* add a emacs-lisp-mode-hook function with lisp settings

ambihelical/dotfiles,ambihelical/dotfiles