Live updates du 05/02/2013

FIXES:
- Real Time vs. Played Time is properly distinguished for quests - Change group feedback message when someone logs out from "player has lost connection" to "player has logged out".

FEATURES:
- Update feedback message "You did not receive experience for making this item because the skill(s)..." so it includes the skills that were required
- Updated combat feedback so that if the monster is immune to attacks with a specific keyword, it tells the player "Monster is immune to attacks of type ...
- Group invites can only be sent to a specific player every 60 seconds (You can still invite 5 friends at once though)