Added bt_ctf_get_decl_event_id() API function.

Signed-Off-By: Amit Margalit <amitm@il.ibm.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Fix python: remove weird char at the end of line

There was the character \xc2 at the end of one line that caused an
import error on some ubuntu distros.

Reported-by: Francis Giraldeau <francis.giraldeau@gmail.com>
Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Split ctf-writer's stream.h into stream.h and stream-class.h

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Split the CTF-Writer API into IR and Writer-specific parts

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Split the CTF-Writer implementation in IR and Writer parts

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>