Implement proper persistence of the following prim properties:

Floating text, Rotation, Texture animation, Particle System
This will make "Eye Candy" scripts work without modification in
XEngine. The use of the CHANGED_REGION_RESTART hack is no longer
needed. Implemented in MySQL only, hovertext also in SQLite.

OpenSim/Framework/PacketPool.cs

@@ -111,6 +111,10 @@ namespace OpenSim.Framework
         {
             PacketType type = GetType(bytes);
 
+            int z;
+            for (z = 0 ; z < zeroBuffer.Length ; z++)
+                zeroBuffer[z] = (byte)0;
+
             int i = 0;
             Packet packet = GetPacket(type);
             packet.FromBytes(bytes, ref i, ref packetEnd, zeroBuffer);