SQL: Fix sql import error
Misc: Some cleanup
DB/Condition: Correct target of spell 63126

Fix by dr-j closes #10281
Scripts/Commands/Arena: Replace a call of GetPlayerNameByGUID by GetCharacterNameData
Scripts/VaultOfArchavon/Koralon: Fix Meteor Fists
Scripts/ForgeOfSouls: move "Mirrored Soul" into SpellScripts
Scripts/Icecrown: Fix quest The Flesh Giant Champion

Closes #9040
Closes #10294
Scripts/Icecrown: Fix code style and use "best practices" on previous commit (c536ba510)
CMake/MSVC: Fix VS 2013 compile -- Zm500 hack is no longer required

Signed-off-by: Nay <dnpd.dd@gmail.com>
Scripts/Icecrown: Use guid instead of cached Creature* to avoid crashes in npc_margrave_dhakar