fixed: ipc client connected event was being wiped out

daemon now communicates graceful shutdown message through new ipc system.

src/lib/base/CEventQueue.cpp

@@ -121,6 +121,14 @@ CEventQueue::adoptBuffer(IEventQueueBuffer* buffer)
 {
 	CArchMutexLock lock(m_mutex);
 
+	LOG((CLOG_DEBUG "adopting new buffer"));
+
+	if (m_events.size() != 0) {
+		// this can come as a nasty surprise to programmers expecting
+		// their events to be raised, only to have them deleted.
+		LOG((CLOG_WARN "discarding %d event(s), sorry", m_events.size()));
+	}
+
 	// discard old buffer and old events
 	delete m_buffer;
 	for (CEventTable::iterator i = m_events.begin(); i != m_events.end(); ++i) {