New master/slave scheme for flim-1.13.x(old version) ports. Update master port
to emacs21. Update slave ports to stub port: flim113-emacs20,
flim113-mule, flim113-xemacs21-mule. Remove slave ports: flim113-emacs.
Add slave stub ports: flim113-emacs19 for emacs-19.x ports. Install el/elc
files to version specific site-lisp directory. Change some style.