* breakpoint.c (create_breakpoint): Split from

	* breakpoint.c (create_breakpoint): Split from
	create_breakpoints, implementing most of its logic.
	Take just a single sal, single address string and
	single condition.  Do not take parsed condition at
	all.
	(create_breakpoints): Just call create_breakpoint
	for each sal.
	(find_condition_and_thread): New.
	(break_command_1): Use find_condition_and_thread.
	Do not keep parsed conditions.
	(do_captured_breakpoint): Don't convert
	condition string to struct expression.