Added code for more DLC skin geometry

Added code to DLCSkinFile.cpp to store skin box scale value. Added code to HumanoidModel.cpp and HumanoidModel.h to handle skin boxes added to the armor layer of skin. Added another float value to SkinBox.h

Minecraft.World/TextureAndGeometryPacket.cpp

@@ -179,6 +179,7 @@ void TextureAndGeometryPacket::read(DataInputStream *dis) //throws IOException
 		this->BoxDataA[i].fV = dis->readFloat();
 		this->BoxDataA[i].fA = dis->readFloat();
 		this->BoxDataA[i].fM = dis->readFloat();
+		this->BoxDataA[i].fS = dis->readFloat();
 	}
 }
 
@@ -207,6 +208,7 @@ void TextureAndGeometryPacket::write(DataOutputStream *dos) //throws IOException
 		dos->writeFloat(this->BoxDataA[i].fV);
 		dos->writeFloat(this->BoxDataA[i].fA);
 		dos->writeFloat(this->BoxDataA[i].fM);
+		dos->writeFloat(this->BoxDataA[i].fS);
 	}
 }