the `inclusion' flag.
* iface/gspn/ssp.cc (gspn_ssp_interface::gspn_ssp_interface): Call
inclusion_version when inclusion is set.
* iface/gspn/ltlgspn.cc (main) [SSP]: Turn on inclusion for -e3,
-e4, and -e5.
* iface/gspn/eesrg.cc, iface/gspn/eesrg.hh,
iface/gspn/dottyeesrg.cc: Rename as ...
* iface/gspn/ssp.cc, iface/gspn/ssp.hh, iface/gspn/dottyssp.cc:
... these. Adjust all classes and function names.
* iface/gspn/ltlgspn.cc, iface/gspn/Makefile.am: Adjust all classes
filenames and function names.
* m4/gspnlib.m4: Define WITH_GSPN_SSP and LIBGSPNSSP_LDFLAGS.