Dungeon Finder: Add proposals, find group algorithm and teleport support

Note: Adds hability to find a group and be teleported to dungeon, but no rewards yet (WIP)

--HG--
branch : trunk

src/server/game/Groups/Group.cpp

@@ -49,7 +49,7 @@ Group::Group()
     m_counter           = 0;
     m_maxEnchantingLevel= 0;
     m_LfgQueued         = false;
-    m_LfgStatus         = 1;
+    m_LfgStatus         = LFG_STATUS_NOT_SAVED;
     m_LfgDungeonEntry   = 0;
 
     for (uint8 i = 0; i < TARGETICONCOUNT; ++i)
@@ -355,6 +355,8 @@ uint32 Group::RemoveMember(const uint64 &guid, const uint8 &method)
 
     if (isLfgQueued())
         sLFGMgr.Leave(NULL, this);
+    else if (isLFGGroup())
+        sLFGMgr.OfferContinue(this);
 
     // remove member and change leader (if need) only if strong more 2 members _before_ member remove
     if (GetMembersCount() > (isBGGroup() ? 1 : 2))           // in BG group case allow 1 members group

src/server/game/Groups/Group.h

@@ -203,7 +203,8 @@ class Group
                 return (m_LfgDungeonEntry & 0x00FFFFFF);
             else
                 return m_LfgDungeonEntry;
-        }       
+        }
+        
         void SetLfgRoles(uint64 guid, const uint8 roles)
         {
             member_witerator slot = _getMemberWSlot(guid);