* sp51/init.c, sp54/Makefile.am, sp55/Makefile.am, sp56/Makefile.am, sp57/Makefile.am, spchain/Makefile.am, spfatal10/Makefile.am, spfatal11/Makefile.am, spfatal12/Makefile.am: Remove unneeded USE_TIMER_SERVER which was copied fomr other Makefile.am's.
* Makefile.am, configure.ac: Add new test to verify that when a user extension create hook fails, that the error is properly propagated. * sp56/.cvsignore, sp56/Makefile.am, sp56/init.c, sp56/sp56.doc, sp56/sp56.scn: New files.