* generic/gdbtk-cmds.c: Put on diet. All breakpoint-,

	* generic/gdbtk-cmds.c: Put on diet. All breakpoint-,
	tracepoint-, register-, and stack-related functions moved
	into separate files.
	(call_wrapper): Renamed to "gdbtk_call_wrapper" and export.
	Update all callers.
	* generic/gdbtk.h: Move all breakpoint-related stuff into
	gdbtk-bp.c.
	Remove declaration for "call_wrapper". Now in gdbtk-cmds.h
	(and called "gdbtk_call_wrapper").
	* generic/gdbtk-varobj.c: Include "gdbtk-cmds.h".
	* generic/gdbtk-cmds.h: New file.
	* generic/gdbtk-bp.c: New file.
	* generic/gdbtk-register.c: New file.
	* generic/gdbtk-stack.c: New file.