Added sending of land overlay and parcel information. This in order to
only send avatar related information after having its position well
defined and on the right parcel. THIS MAY STILL BE BAD :)
However, the calls to the land management module to record prims need to remain, since they were also being used to return owner object lists, etc.
This is probably why prim counts were being done there in the first place.
In order to pass ILandObject into IClientAPI.SendLandProperties(), had to push ILandObject and IPrimCounts into OpenSim.Framework from OpenSim.Region.Framework.Interfaces, in order to avoid ci
Counts are showing odd behaviour at the moment, this will be addressed shortly.
