[9716] Allow to vendor have same items in list with different extanded price.

[newsbot]

<pre>m sql/mangos.sql
+ sql/updates/9716_01_mangos_npc_vendor.sql
+ sql/updates/9716_02_mangos_mangos_string.sql
m sql/updates/Makefile.am
m src/game/Creature.cpp
m src/game/Creature.h
m src/game/ItemHandler.cpp
m src/game/ObjectMgr.cpp
m src/game/Player.cpp
m src/game/Player.h
m src/shared/revision_nr.h
m src/shared/revision_sql.h

[9716] Allow to vendor have same items in list with different extanded price.</pre>



Дальше... (http://github.com/mangos/mangos/commit/01a02c1f23ad39b6239ea5a9c0f4b2d6e83b3f7f)