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

loginserver/client.h

@@ -22,6 +22,7 @@
 #include "../common/opcodemgr.h"
 #include "../common/eq_stream_type.h"
 #include "../common/eq_stream_factory.h"
+#include "../common/random.h"
 #ifndef WIN32
 #include "eq_crypto_api.h"
 #endif
@@ -129,6 +130,8 @@ public:
 	* Gets the connection for this client.
 	*/
 	EQStream *GetConnection() { return connection; }
+
+	EQEmu::Random random;
 private:
 	EQStream *connection;
 	ClientVersion version;