First working version that actually produces output.

First working version that actually produces output.
2009-03-09  David Smith  <dsmith@redhat.com>

	* print_new.c (stp_print_flush): Calls _stp_data_write_reserve()
	and _stp_data_write_commit().
	* transport/ring_buffer.c (__stp_alloc_ring_buffer): Sets up a
	default buffer size of STP_BUFFER_SIZE;
	(trace_seq_reset): New function.
	(peek_next_entry): New function.
	(__find_next_entry): New function.
	(find_next_entry_inc): New function.
	(_stp_data_read_trace): Uses find_next_entry_inc() to get the next
	entry, then calls _stp_entry_to_user() to copy it to the user's
	buffer, then calls ring_buffer_consume() to consume it.
	(_stp_data_write_reserve): New function.
	(_stp_data_write_commit): New function.
	* transport/transport.c (_stp_transport_close): Calls functions
	that were ifdef'ed out.
	* transport/transport.h (struct _stp_entry): Added _stp_entry
	definition and _stp_data_write_reserve()/_stp_data_write_commit()
	prototypes.