Auto-commit of generated files.
* lisp/emacs-lisp/package.el (package-buffer-info): Fix message typo.
* lisp/abbrev.el (abbrev--check-chars): Fix thinko.
* lisp/subr.el (eval-after-load): Preserve evaluation order.
* etc/CONTRIBUTE: Clarify disclaimer a bit.
* etc/CONTRIBUTE: Copyedits.