[Commands] Add #show special_abilities (#4043)

* [Commands] Add #show special_abilities

# Notes
- Allows operators to see what special abilities an NPC has.
- Move special ability values to `common/emu_constants.h`.
- Add `EQ::constants::GetSpecialAbilityMap()` and `EQ::constants::GetSpecialAbilityName()`.
- Add `NPC::DescribeSpecialAbilities(client)` to describe special abilities to a specified client.

# Images

* Update npc.cpp

zone/common.h

@@ -153,65 +153,6 @@ typedef enum {	//focus types
 } focusType; //Any new FocusType needs to be added to the Mob::IsFocus function
 #define HIGHEST_FOCUS	focusFcHealAmtCrit //Should always be last focusType in enum
 
-enum {
-	SPECATK_SUMMON = 1,
-	SPECATK_ENRAGE = 2,
-	SPECATK_RAMPAGE = 3,
-	SPECATK_AREA_RAMPAGE = 4,
-	SPECATK_FLURRY = 5,
-	SPECATK_TRIPLE = 6,
-	SPECATK_QUAD = 7,
-	SPECATK_INNATE_DW = 8,
-	SPECATK_BANE = 9,
-	SPECATK_MAGICAL = 10,
-	SPECATK_RANGED_ATK = 11,
-	UNSLOWABLE = 12,
-	UNMEZABLE = 13,
-	UNCHARMABLE = 14,
-	UNSTUNABLE = 15,
-	UNSNAREABLE = 16,
-	UNFEARABLE = 17,
-	UNDISPELLABLE = 18,
-	IMMUNE_MELEE = 19,
-	IMMUNE_MAGIC = 20,
-	IMMUNE_FLEEING = 21,
-	IMMUNE_MELEE_EXCEPT_BANE = 22,
-	IMMUNE_MELEE_NONMAGICAL = 23,
-	IMMUNE_AGGRO = 24,
-	IMMUNE_AGGRO_ON = 25,
-	IMMUNE_CASTING_FROM_RANGE = 26,
-	IMMUNE_FEIGN_DEATH = 27,
-	IMMUNE_TAUNT = 28,
-	NPC_TUNNELVISION = 29,
-	NPC_NO_BUFFHEAL_FRIENDS = 30,
-	IMMUNE_PACIFY = 31,
-	LEASH = 32,
-	TETHER = 33,
-	DESTRUCTIBLE_OBJECT = 34,
-	NO_HARM_FROM_CLIENT = 35,
-	ALWAYS_FLEE = 36,
-	FLEE_PERCENT = 37,
-	ALLOW_BENEFICIAL = 38,
-	DISABLE_MELEE = 39,
-	NPC_CHASE_DISTANCE = 40,
-	ALLOW_TO_TANK = 41,
-	IGNORE_ROOT_AGGRO_RULES = 42,
-	CASTING_RESIST_DIFF = 43,
-	COUNTER_AVOID_DAMAGE = 44,                   //Modify by percent NPC's opponents chance to riposte, block, parry or dodge individually, or for all skills
-	PROX_AGGRO = 45,
-	IMMUNE_RANGED_ATTACKS = 46,
-	IMMUNE_DAMAGE_CLIENT = 47,
-	IMMUNE_DAMAGE_NPC = 48,
-	IMMUNE_AGGRO_CLIENT = 49,
-	IMMUNE_AGGRO_NPC = 50,
-	MODIFY_AVOID_DAMAGE = 51,                    //Modify by percent the NPCs chance to riposte, block, parry or dodge individually, or for all skills
-	IMMUNE_FADING_MEMORIES = 52,
-	IMMUNE_OPEN = 53,
-	IMMUNE_ASSASSINATE = 54,
-	IMMUNE_HEADSHOT = 55,
-	MAX_SPECIAL_ATTACK
-};
-
 typedef enum {	//fear states
 	fearStateNotFeared = 0,
 	fearStateRunning,		//I am running, hoping to find a grid at my WP