* Makefile.in, configure.in, doc/misc/Makefile.in, doc/misc/makefile.w32-in: Add ERT. Make "make check" run tests in test/automated. * doc/misc/ert.texi, lisp/emacs-lisp/ert.el, lisp/emacs-lisp/ert-x.el: New files. * test/automated: New directory.