Core: Remove lots warnings:

- All "'xxx' will be initialized after 'yyy' when initialized here"
- Some "unused variable"
- Some "enumeration value 'xxx' not handled in switch"

--HG--
branch : trunk

src/server/game/Spells/SpellScript.h

@@ -85,7 +85,7 @@ class _SpellScript
         virtual void Register() = 0;
         // Function called on server startup, if returns false script won't be used in core
         // use for: dbc/template data presence/correctness checks
-        virtual bool Validate(SpellEntry const * spellEntry) {return true;};
+        virtual bool Validate(SpellEntry const * /*spellEntry*/) {return true;};
         // Function called when script is created, if returns false script will be unloaded afterwards
         // use for: initializing local script variables (DO NOT USE CONSTRUCTOR FOR THIS PURPOSE!)
         virtual bool Load() {return true;};