Server/Aura: Renamed SPELL_AURA_420 to SPELL_AURA_MOD_PET_XP_PCT, NYI.

Signed-off-by: AriDEV <aridev666@gmail.com>
Merge branch 'master' of https://github.com/ProjectSkyfire/SkyFire_5xx
Database/Spawns: Added Game Object Spawns and Creature Spawns For Map 860, Will Reguid Later.

Signed-off-by: AriDEV <aridev666@gmail.com>