* a68v-xdep.c (store_inferior_registers): declare as void.

* a68v-xdep.c (store_inferior_registers):  declare as void.
* infptrace.c:  HP/Apollos have ptrace.h in the wrong place.
* remote-st2000.c:  Massive changes to use new serial package.
Also added 'connect' command to transparantly connect to serial
port.
* ser-termios.c:  Big cleanup, use nicer coding conventions.
* ser-bsd.c:  New module, serial stuff for BSD systems.
* serial.h:  Define struct ttystate properly using HAVE_TERMIO.
* xm-apollo68b.h:  #define PTRACE_IN_WRONG_PLACE...