Change default for Host

Corrects Host defaults for new installs.

99% of the time, Host should be 0.0.0.0

Source/ACE.Common/NetworkSettings.cs

@@ -3,8 +3,20 @@ namespace ACE.Common
 {
     public class NetworkSettings
     {
-        public string Host { get; set; } = "127.0.0.1";
+        /// <summary>
+        /// IP Address for World to listen on. 
+        /// </summary>
+        /// <remarks>
+        /// In just about all cases, you will not need to change this setting from the default. Special networking conditions, or multiple network adapters would possibly be examples of times where you might need to change this.
+        /// </remarks>
+        public string Host { get; set; } = "0.0.0.0";
 
+        /// <summary>
+        /// Port for World to listen on. This also opens the next port up, 9001, for server to client communications. When changed, it will open the port specified and +1 of that port.
+        /// </summary>
+        /// <remarks>
+        /// For firewalls, you would need to include opening both udp ports (9000 and 9001) for communications to work correctly.
+        /// </remarks>
         public uint Port { get; set; } = 9000;
 
         /// <summary>