[svn] Recalculate attack time in Unit::ApplyAttackTimePercentMod function.

Add Felmyst script.
Add Eredar twins script. Script provided by BroodWyrm.
Update Brutallus script. Patch provided by riddick. (Burn temporarily disabled)
Update void reaver script. Patch provided by Bagsac.
Fix a bug that Najentus causes server crash.

--HG--
branch : trunk

src/game/Unit.cpp

@@ -10647,6 +10647,7 @@ Unit* Unit::SelectNearbyTarget() const
 
 void Unit::ApplyAttackTimePercentMod( WeaponAttackType att,float val, bool apply )
 {
+    float remainingTimePct = (float)m_attackTimer[att] / (GetAttackTime(att) * m_modAttackSpeedPct[att]);
     if(val > 0)
     {
         ApplyPercentModFloatVar(m_modAttackSpeedPct[att], val, !apply);
@@ -10657,6 +10658,7 @@ void Unit::ApplyAttackTimePercentMod( WeaponAttackType att,float val, bool apply
         ApplyPercentModFloatVar(m_modAttackSpeedPct[att], -val, apply);
         ApplyPercentModFloatValue(UNIT_FIELD_BASEATTACKTIME+att,-val,apply);
     }
+    m_attackTimer[att] = uint32(GetAttackTime(att) * m_modAttackSpeedPct[att] * remainingTimePct);
 }
 
 void Unit::ApplyCastTimePercentMod(float val, bool apply )