[10867] Implement templates for trainer spell data in `npc_trainer_template`.

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автор: VladimirMangos


<pre>m sql/mangos.sql
+ sql/updates/10867_01_mangos_npc_trainer_template.sql
+ sql/updates/10867_02_mangos_creature_template.sql
m sql/updates/Makefile.am
m src/game/Creature.cpp
m src/game/Creature.h
m src/game/Level3.cpp
m src/game/NPCHandler.cpp
m src/game/ObjectMgr.cpp
m src/game/ObjectMgr.h
m src/game/SQLStorages.cpp
m src/game/World.cpp
m src/game/WorldSession.h
m src/shared/revision_nr.h
m src/shared/revision_sql.h
</pre>
<pre style='white-space:pre-wrap;width:81ex'>[10867] Implement templates for trainer spell data in `npc_trainer_template`.

New table let avoid duplication similar trainer spells for different trainers.</pre>




Дальше... (https://github.com/mangos/mangos/commit/605ecf175f19883529bf4c39354d2b06da75a46d)