DB/Spells: Added all serverside spells for 3.3.5a
DB/Creature: Fix Kroshius text

By Rushor, closes #11801
Core: Add loginFirst param to OnLogin hook to allow doing things on first login only

whitespacefix

Fix warning about unused param
Merge pull request #12328 from Rochet2/onfirstlogin

Core: Add loginFirst param to OnLogin hook to allow doing things on firs...