Switch random function to std::mt19937

Added class EQEmu::Random
Functions:
EQEmu::Random::Int(int low, int high)
EQEmu::Random::Real(double low, double high)
EQEmu::Random::Roll(int required)
EQEmu::Random::Roll(double required)
EQEmu::Random::Reseed()

For zone, you will access the random object through the zone object
ex.
	zone->random.Int(0, 100);

Int returns a random int between low and high
Real returns a random double between low and high
Roll(int) returns true if Int(0, 99) < required is true
Roll(double) returns true if Real(0.0, 1.0) <= required is true

zone/hate_list.cpp

@@ -485,10 +485,10 @@ Mob *HateList::GetRandom()
 	}
 
 	auto iterator = list.begin();
-	int random = MakeRandomInt(0, count - 1);
+	int random = zone->random.Int(0, count - 1);
 	for (int i = 0; i < random; i++)
 		++iterator;
-	
+
 	return (*iterator)->ent;
 }