fixes problems when group owned land was abandoned by the land owner or reclaimed by the estate manager or by god.
Beside that this new patch makes it possible, that users can buy land directly for a group, if the buyer has the required permissions.
* Initialize the LLClientView prim full update queue to the number of prims in the scene for a big performance boost
* Reordered some comparisons on hot code paths for a minor speed boost
* Removed an unnecessary call to the expensive DateTime.Now function (if you *have* to get the current time as opposed to Environment.TickCount, always use DateTime.UtcNow)
* Don't fire the queue empty callback for the Resend category
* Run the outgoing packet handler thread loop for each client synchronously. It seems like more time was being spent doing the execution asynchronously, and it made deadlocks very difficult to track down
* Rewrote some expensive math in LandObject.cs
* Optimized EntityManager to only lock on operations that need locking, and use TryGetValue() where possible
* Only update the attachment database when an object is attached or detached
* Other small misc. performance improvements
* Removed two redundant parameters from SceneObjectPart
* Changed some code in terse update sending that was meant to work with references to work with value types (since Vector3 and Quaternion are structs)
* Committing a preview of a new method for sending object updates efficiently (all commented out for now)
* Fixes 'Inconsistent Attachment State' when teleporting into another region besides the SW most region slot on a MegaRegion.
* Fixes a host of other unintended attachment border cross edge cases that lead to Inconsistent attachment state.
* Rename the RegionCombinerModuleIndividualForwarder to RegionCombinerIndividualEventForwarder so there's no possibility that mono.addins sees any names similar
* Changed the Destination ID to 0 in the TeleportFinish Event (why did we have it as 3?)
* Added border based trigger teleports
* Fix MakeRootAgent border cross tests for ensuring that the position is inside the region to use the borders to figure out if it's outside the Region
* RegionCombinerModule replaces this delegate and distributes the CoarseLocationUpdates through the client connection in the region where the user would be if it was a separate region.
* Fixes Mini Map display on combined regions.
* Breaks up the Client event registrations in Scene into methods of similar event types. The generic event registration registers all of the event types.
*Created symmetrical Un-Registration methods.
* Made the Registration and Unregistration methods public
* Hooks The events required for creating new prim and rezzing new prim into the proper scene.
