DB/Creature: Fix some factions

Updates #11501
DB/Creature: Fix some factions

Updates #11501
DB/Creature: Typo fix.
DB/Creature: Fix some factions

Updates #11501
DB/Creature: Fix some factions

Updates #11501
DB/Creature: Fix some factions

Updates #11501
DB/Creature: Fix some factions

Updates #11501
DB/Creature: Fix some factions

Updates #11501
Core/Spells: drop last leftovers of hardcoded spell target selection and move it into spellscripts

Closes #1719
Closes #3186
Core/Misc: Missing changes and get rid of useless method in acd46085d1f496657e27e0d5f823f53d466702dc
Core/Splines: Fix "velocity > 0.1f" error

Updates #6191.
Merge remote-tracking branch 'upstream/master'