* base_sp/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
* cdtest/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
* fileio/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
* hello/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
* loopback/init.c: Include <rtems/confdefs.h> instead of <confdefs.h>.
* minimum/init.c: Include <rtems/confdefs.h> instead of <confdefs.h>.
* paranoia/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
* pppd/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
* ticker/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
* unlimited/system.h: Include <rtems/confdefs.h> instead of <confdefs.h>.
Adding pppd:
* pppd/Makefile-user: New, copied over from libnetworking/pppd/example.
* pppd/README: New, copied over from libnetworking/pppd/example.
* pppd/init.c: New, copied over from libnetworking/pppd/example.
* pppd/netconfig.h: New, copied over from libnetworking/pppd/example.
* pppd/ppp.conf: New, copied over from libnetworking/pppd/example.
* pppd/pppdapp.c: New, copied over from libnetworking/pppd/example.
* pppd/system.h: New, copied over from libnetworking/pppd/example.
* pppd/pppd.options: New, copied over from libnetworking/pppd/example.
* pppd/Makefile.am: New, converted to automake from Makefile-user.
* pppd/.cvsignore: New.