* Adds a synchronous jpeg decode for pre-caching purposes

* When the DynamicTextureModule creates a j2k image, pre-cache the decode so that it doesn't stall any client threads.

OpenSim/Region/Environment/Interfaces/IJ2KDecoder.cs

@@ -36,5 +36,6 @@ namespace OpenSim.Region.Environment.Interfaces
     public interface IJ2KDecoder
     {
         void decode(UUID AssetId, byte[] assetData, DecodedCallback decodedReturn);
+        void syncdecode(UUID AssetId, byte[] j2kdata);
     }
 }