[svn] Improve TargetedMovement (TODO: let mob find "near angle" rather than "random angle").

Delete a repeated check in instance canenter().
Fix some spell targets.
Add some sunwell spell sql.
Fix Magtheridons earthquake. (TODO: need to find out why soul transfer has no effect when casted by mobs)
Let Brutallus dual wield. Enable burn (still no script effect).
Quick fix for shadowmoon valley illidan quest crash (wait for author's fix).

--HG--
branch : trunk

src/game/Unit.h

@@ -721,6 +721,7 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         void SetCanDualWield(bool value) { m_canDualWield = value; }
         bool canReachWithAttack(Unit *pVictim) const;
         bool IsWithinCombatDist(Unit *obj, float dist2compare) const;
+        void GetRandomContactPoint( const Unit* target, float &x, float &y, float &z, float distance2dMin, float distance2dMax ) const;
         uint32 m_extraAttacks;
         bool m_canDualWield;