(dontcompilefiles): Obsoleted.

(dontcompilefiles): Obsoleted.
(DONTCOMPILE): Added emacs-lisp/cl-specs.el.
(EL): Unused.
(temacs): Removed (unused).
(cus-load.el, finder-inf.el, loaddefs.el): New targets to build a dummy
  version of the file (necessary for the update to work properly).
(autoloads): Force the use of `pwd`/loaddefs.el.
(updates); Redefined in terms of other targets to reduce redundancy.
(.el.elc): New default rule, just in case you want it.
(compile): Use a single invocation of Emacs.
(bootstrap-compile); Unneeded.
(autoloads-with-other-emacs): Unneeded now that autoloads is fixed.