emacs: edit Cask by emacs-lisp-mode
emacs: reformat init.el
emacs: break off 'anything'
emacs: define customized my helm-for-files
ag: Add .agignore
emacs: Add helm-ag
Update .gitignore
emacs: Add crontab-mode
emacs: Add filelist.crontab
emacs: Add bin/make_filelist.sh
emacs: Add yaml-mode
emacs: Enable flycheck-mode