Log Message:
Adapt and clean up with automake 1.12.2
(1)
  lib/elisp-comp from automake -1.12.2 now works good.
  - lisp_LISP the list of *.el to be compiled
  - lisp_DATA not to be compiled

(2) Add/adjust comments on patch
    patches/patch-lisp_Makefile.{am,in}
    minimize # of lines

(3) PLIST
  Following *.el are now byte-compiled
+${EMACS_LISPPREFIX}/tc-2.3.1/tc-is18.elc
+${EMACS_LISPPREFIX}/tc-2.3.1/tc-is19.elc
+${EMACS_LISPPREFIX}/tc-2.3.1/tc-is20.elc
+${EMACS_LISPPREFIX}/tc-2.3.1/tc-is22.elc