* Update ObjectMgr.cpp
Rework to `ObjectMgr::LoadReputationSpilloverTemplate()` allowing more factons to be added.
* Create reputation_spillover_template-update.sql
Alteration to `reputation_spillover_template` table, update allowing to add two more factions.
* Update SharedDefines.h
`MAX_SPILLOVER_FACTIONS` is now equal 6 instead of 4.
* Update reputation_spillover_template-update.sql
Now it alters table instead recreating it.
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