* Added Utils.EmptyBytes which is equal to new byte[0] and replaced all references of new byte[0] to Utils.EmptyBytes

* Added a CRC32 implementation to OpenMetaverseTypes.dll
* Added ToBytes() functions to most of the OMV types for writing bytes into an existing byte array

git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@2470 52acb1d6-8a22-11de-b505-999d5b087335

Programs/SimExport/OarFile.cs

@@ -204,7 +204,7 @@ namespace SimExport
             if (prim.Textures != null)
                 te = prim.Textures.ToBytes();
             else
-                te = new byte[0];
+                te = Utils.EmptyBytes;
 
             writer.WriteBase64(te, 0, te.Length);
             writer.WriteEndElement();