Tweak presence handling and whip up a database connector and handler

for testign the new generic table handling

OpenSim/Data/IPresenceData.cs

@@ -32,11 +32,11 @@ using OpenSim.Framework;
 
 namespace OpenSim.Data
 {
-    public class PresenceData
+    public struct PresenceData
     {
         public UUID UUID;
         public UUID currentRegion;
-        public Dictionary<string, object> Data;
+        public Dictionary<string, string> Data;
     }
 
     /// <summary>

OpenSim/Data/MySQL/MySQLGenericTableHandler.cs

@@ -190,11 +190,13 @@ namespace OpenSim.Data.MySQL
             return DoQuery(cmd);
         }
 
-        public void Store(T row)
+        public bool Store(T row)
         {
             MySqlCommand cmd = new MySqlCommand();
 
             string query = "";
+
+            return false;
         }
     }
 }