Fix: minor rephrasing of the lttng.1 man page

Fixes #730

Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: add loglevel type to lttng list <name>

For range loglevel, the <= is used and for single ==. For instance:

ev_log_range (loglevel <= TRACE_WARNING (4)) (type: tracepoint)
ev_log_single (loglevel == TRACE_NOTICE (5)) (type: tracepoint)

Fixes #628

Signed-off-by: David Goulet <dgoulet@efficios.com>
Tests fix: Missing waitpid in fork test

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: keep metadata channel attr in UST session

This is so that if we have NO application we can use the metadata
channel attributes once one appears.

Signed-off-by: David Goulet <dgoulet@efficios.com>
Test fix: use temp file sync. of test app

Fixes #736

Signed-off-by: David Goulet <dgoulet@efficios.com>
Fix: handle the registration done command for JUL

Lockstep with lttng-ust.

Part of the fix for issue #692

Signed-off-by: David Goulet <dgoulet@efficios.com>