[7330] Code warnings and style cleanups. Some bugs fixes. Author: VladimirMangos

1) comparison singed and unsigned values
    2) redundent includes
    3) wrong constructor :-part field initilization
    4) unused not-/*name*/-guarded args in template/virtual functions that not required like args.
    5) explicitly list not implemented achievement types.

    Also bugs fixed:
    1) Drop wrong phase mask 0 check in WorldObject::InSamePhase.
    2) ArenaTeamMember::ModifyPersonalRating incorrect work with move points in negative with infinity values in result.
    3) ArenaTeam::SaveToDB code send uint64 value to string with arg format %u.

--HG--
branch : trunk

src/game/Bag.h

@@ -24,10 +24,7 @@
 // Maximum 36 Slots ( (CONTAINER_END - CONTAINER_FIELD_SLOT_1)/2
 #define MAX_BAG_SIZE 36                                     // 2.0.12
 
-#include "Object.h"
 #include "ItemPrototype.h"
-#include "Unit.h"
-#include "Creature.h"
 #include "Item.h"
 
 class Bag : public Item