add README.md for github
add .gitignore to ignore *.elc and other files.
install color-moccur
install auto-install.el

% mkdir -p .emacs.d/auto-install/
% cd .emacs.d/auto-install/
% wget http://www.emacswiki.org/emacs/download/auto-install.el

then add auto-install configurations into .emacs.d/init.el