* configure.ac: Add support for ruby-1.7, ruby-1.8.
	* olena/oln/core/point2d.hh: Add header include.
	* olena/oln/core/point2d.hxx: Likewise.
	* olena/oln/core/point3d.hh: Likewise.
	* olena/oln/core/point3d.hxx: Likewise.
	* swilena/expand.sh: Split morpho modules to make the code compile
	faster.
	* swilena/generate_morpho_instantiations.py: Likewise.
	* swilena/meta/swilena_ntg.i: Add `do_nothing' argument to empty SWIG
	macros since the SWIG preprocessor does not support them.
	* swilena/meta/swilena_morpho.i: Likewise.

    prcs2git-id: 10.142