Change VersionInfo string from:

"OpenSimulator trunk (post 0.5.7)" to
"OpenSimulator release 0.5.8" in preparation
for tagging this minor release.

OpenSim/Framework/Servers/VersionInfo.cs

@@ -32,6 +32,6 @@ namespace OpenSim
     /// </summary>
     public class VersionInfo
     {
-        public readonly static string Version = "OpenSimulator trunk (post 0.5.7)";
+        public readonly static string Version = "OpenSimulator release 0.5.8)";
     }
 }