comment out use of the TribalMedia data mapper layer

for now.  It doesn't build on new mono at the moment, and
isn't currently used.  Please make sure this functions on
mono 1.2.6 prior to adding it back in for the main tree.

OpenSim/Framework/Data.MySQL/MySQLDatabaseMapper.cs

@@ -1,6 +1,6 @@
 using System.Data.Common;
 using MySql.Data.MySqlClient;
-using TribalMedia.Framework.Data;
+// using TribalMedia.Framework.Data;
 
 namespace OpenSim.Framework.Data.MySQL
 {

prebuild.xml

@@ -79,6 +79,7 @@
       </Files>
     </Project>
 
+<!--
     <Project name="TribalMedia.Framework.Data" path="ThirdParty/TribalMedia/TribalMedia.Framework.Data" type="Library">
       <Configuration name="Debug">
         <Options>
@@ -125,7 +126,7 @@
         <Match pattern="*.cs" recurse="true"/>
       </Files>
     </Project>
-
+-->
     <Project name="OpenSim.Framework.Configuration.XML" path="OpenSim/Framework/Configuration/XML" type="Library">
       <Configuration name="Debug">
         <Options>
@@ -906,7 +907,7 @@
       <Reference name="System.Data"/>
       <Reference name="OpenSim.Framework"/>
       <Reference name="OpenSim.Framework.Data"/>
-      <Reference name="TribalMedia.Framework.Data"/>
+<!--      <Reference name="TribalMedia.Framework.Data"/> -->
       <Reference name="libsecondlife.dll"/>
       <Reference name="MySql.Data.dll"/>
       <Reference name="OpenSim.Framework.Console"/>