General improvement on init and strats (#1064)

* Potions strats and potions init

* Druid and shaman spell in low level

* Ammo init improvement

* Rogue low level

* Fix melee attack action (for caster with no mana)

* Disable pet spells that reduce dps

* Talents improvement

* Remove CanFreeMove check

* Reduce penalty for non-dagger weapon for rogue

src/strategy/triggers/GenericTriggers.cpp

@@ -198,6 +198,13 @@ bool MyAttackerCountTrigger::IsActive()
     return AI_VALUE2(bool, "combat", "self target") && AI_VALUE(uint8, "my attacker count") >= amount;
 }
 
+bool MediumThreatTrigger::IsActive()
+{
+    if (!AI_VALUE(Unit*, "main tank"))
+        return false;
+    return MyAttackerCountTrigger::IsActive();
+}
+
 bool LowTankThreatTrigger::IsActive()
 {
     Unit* mt = AI_VALUE(Unit*, "main tank");