gdb/

gdb/
	* breakpoint.c (always_inserted_auto, always_inserted_on)
	(always_inserted_off, always_inserted_enums): New.
	(always_inserted_mode): Change type to char* and point to
	always_inserted_auto.
	(show_always_inserted_mode): In auto mode, also show the current
	effect of the option.
	(breakpoints_always_inserted_mode): Adjust for the new auto mode.
	(_initialize_breakpoint): Make the "set breakpoints
	always-inserted" command an enum command.  Extend help to describe
	the auto mode.

gdb/doc/
	* gdb.texinfo (breakpoint always-inserted) Describe the auto mode
	setting, and make it the default.
	(Non-Stop Mode): Remove "set breakpoints always-inserted 1" from
	non-stop script example.