Added dynamic targets to example makefiles
Added ocaml_dynamic and ocaml_dynamic_cpp targets to Examples/Makefile.in
Added OCAMLFIND and OCAMLDLGEN AC_SUBST lines in configure.in
Currently, dynamic linking relies on ocamlfind and Gerd Stolpmann's Dl package,
as well as some tricky elf linking.
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4413 626c5289-ae23-0410-ae9c-e8d60b6d4f22