Core/Scripts: Added enum for generic script texts, fixed one broken text

Scripts/Icecrown Citadel: Blood-Queen Lana'Thel will no longer spawn for Blood Princes intro if they were already killed

--HG--
branch : trunk

src/server/scripts/EasternKingdoms/BlackrockDepths/boss_grizzle.cpp

@@ -25,11 +25,6 @@ EndScriptData */
 
 #include "ScriptPCH.h"
 
-enum Yells
-{
-    EMOTE_GENERIC_FRENZY_KILL                              = -1000001
-};
-
 enum Spells
 {
     SPELL_GROUNDTREMOR                                     = 6524,

src/server/scripts/EasternKingdoms/Scholomance/boss_doctor_theolen_krastinov.cpp

@@ -28,8 +28,6 @@ EndScriptData */
 
 enum eEnums
 {
-    EMOTE_GENERIC_FRENZY_KILL   = -1000001,
-
     SPELL_REND                  = 16509,
     SPELL_BACKHAND              = 18103,
     SPELL_FRENZY                = 8269

src/server/scripts/EasternKingdoms/Scholomance/boss_vectus.cpp

@@ -27,8 +27,6 @@ EndScriptData */
 
 enum eEnums
 {
-    EMOTE_GENERIC_FRENZY_KILL   = -1000001,
-
     SPELL_FLAMESTRIKE            = 18399,
     SPELL_BLAST_WAVE             = 16046,
     SPELL_FIRESHIELD             = 19626,

src/server/scripts/Northrend/IcecrownCitadel/boss_blood_prince_council.cpp

@@ -941,8 +941,14 @@ class npc_blood_queen_lana_thel : public CreatureScript
             void Reset()
             {
                 events.Reset();
-                me->SetVisibility(VISIBILITY_ON);
                 me->AddUnitMovementFlag(MOVEMENTFLAG_LEVITATING);
+                if (instance->GetBossState(DATA_BLOOD_PRINCE_COUNCIL) == DONE)
+                {
+                    me->SetVisibility(VISIBILITY_OFF);
+                    bIntroDone = true;
+                }
+                else
+                    me->SetVisibility(VISIBILITY_ON);
             }
 
             void MoveInLineOfSight(Unit* who)