(cvs-diff): ditto
(EXTRA_DIST): added README-alpha
(DIST_SUBDIRS): added depdemo
* README-alpha: minor adaptations
* demo/Makefile.am, mdemo/Makefile.am, depdemo/Makefile.am:
removed comment about special needs for distribution
* depdemo/Makefile.am: don't generate dependencies
* depdemo/configure.in: modified version number