More logical meaning of first message for a single message (if no single...

More logical meaning of first message for a single message (if no single already in queue for this jid)
Fixed possible bad value of first for pm
Slaped bad bad comments

src/common/events.py

@@ -81,7 +81,7 @@ class Events:
 			gajim.interface.systray.set_img()
 
 	def remove_events(self, account, jid, event = None, types = []):
-		'''if event is not speficied, remove all events from this jid,
+		'''if event is not specified, remove all events from this jid,
 		optionnaly only from given type
 		return True if no such event found'''
 		if not self._events.has_key(account):
@@ -122,7 +122,7 @@ class Events:
 		return self._get_nb_events(types = types)
 
 	def get_events(self, account, jid = None, types = []):
-		'''if event is not speficied, remove all events from this jid,
+		'''if event is not specified, get all events from this jid,
 		optionnaly only from given type'''
 		if not self._events.has_key(account):
 			return []

src/gajim.py

@@ -522,6 +522,7 @@ class Interface:
 		message_control.TYPE_GC:
 			# It's a Private message
 			pm = True
+			msg_type = 'pm'
 
 		chat_control = None
 		jid_of_control = full_jid_with_resource
@@ -583,14 +584,15 @@ class Interface:
 
 		# Is it a first or next message received ?
 		first = False
-		if not chat_control and not gajim.events.get_events(account,
-		jid_of_control, ['chat']):
-			# It's a first message and not a Private Message
+		if msg_type == 'normal':
+			if not gajim.events.get_events(account,jid, ['normal']):
+				first = True
+		elif not chat_control and not gajim.events.get_events(account, 
+		jid_of_control, [msg_type]): # msg_type can be chat or pm
 			first = True
 
 		if pm:
 			nickname = resource
-			msg_type = 'pm'
 			groupchat_control.on_private_message(nickname, message, array[2],
 				xhtml)
 		else: