Log Message:
(1) The existed code did not install icons. Fix it.
   in Makefile, add lines to install icons.
   This was in www/emacs-w3m but not in wip/emacs-w3m-current
   The related lines are:
     +CONFIGURE_ARGS+=--with-icondir=${ICONDIR}
     +INSTALL_TARGET=                install install-icons install-icons30
     +SUBST_CLASSES+=        fix-icondir
       (and more for above)
     +ICONDIR=       ${PREFIX}/${ETCDIR}

(2) The patch added as patches/patch-emacs-w3m_w3m.el
   to find the icon directory, where the same as
    www/emacs-w3m installs icons.

(3) Add comment on patches/patch-w3m.el     (From commit log)

(4) Minimize pkglint -Wall flags. Current status is
    0 errors and 7 warnings found.

(5) Add options.mk as www/emacs-w3m does

(6) More on Makefile
 - Remove  PKG_NAME= and PKGREVISION=
 - Add LICENSE=
 - Add lines to install DOCUMENTS as www/emacs-w3m/Makefile does
 - Some changes to 
   Minimize the diff from www/emacs-w3m/Makefile to this Makefile.

(7) Add TODO