* configure.ac: add --disable-utilities and
	--disable-morpho-utilities options.
	* Makefile.am: modify SUBDIRS variable accordingly.
	* utilities/Makefile.am: Likewise.
	* utilities/morpho/morpho_template.cc: change default defines to #error.
	* utilities/generate_morpho.sh: modifiy accordingly.

    prcs2git-id: 0_5.100