The code paths handling break insertion in MI and CLI
feature undue code duplication. This patch makes extract
the body of break_command_1 into separate function, makes
it slightly more flexibile, and as result, both MI and CLI
code paths merely forward to the new function.
No regressions on x86, OK?

- Volodya

	* breakpoint.c (break_command_really): New, copied
	from break_command_1. New parameters COND_STRING, THREAD
	PARSE_CONDITITION_AND_THREAD and PENDING_BREAK_SUPPORT.
	The previous FLAG parameter split into TEMPFLAG and
	HARDWAREFLAG.
	When PARSE_CONDITION_AND_THREAD is not set, duplicate
	the passed condition string.
	(struct captured_breakpoint_args): Remove
	(do_captured_breakpoint): Remove.
	(break_command_1): Relay to break_command_really.
	(gdb_breakpoint): Relay to break_command_really.