in theory, let you pass the mysql connection string into the

mysql manager class.  This could use some testing of inventory
and asset services.  Once this is prooved out, I'll do it for
mssql as well.

OpenSim/Data/MySQL/MySQLAssetData.cs

@@ -174,7 +174,13 @@ namespace OpenSim.Data.MySQL
         {
             // TODO: This will let you pass in the connect string in
             // the config, though someone will need to write that.
-            Initialise();
+            if (connect == String.Empty) {
+                // This is old seperate config file
+                Initialise();
+            } else {
+                _dbConnection = new MySQLManager(connect);
+                TestTables();
+            }
         }
 
         override public void Initialise()