* The BlockingQueue exposes Contains so we can make sure we don't add a TextureSender to the queue if there's already one present
* introduced some TryGetValue and various code convention stuff
** - avatar can navigate stairs better now
** - avatar can land without shooting into the air
** - excessive collisions with the ground are tempered somewhat and should only shoot the avatar up 20m instead of 200m
** - Try Catched a TextureDownloadModule.cs array out of bounds error with a report that causes it not to crash the sim, however it reports a few important items for tracking it down.
Refractored the TextureDownloadModule (but currently to make debugging easier, it is running as a non shared module, so this results in a instance of this module being created for each region (and a extra thread per region), this will be changed back soon.
Removed the old texture handling/sending code from AssetCache.
A few other small changes/fixes.
Moved PermissionManager creation out of the Scene constructor and instead a PermissionManager is passed to the constructor as a param. So that we could create and use custom permissionsManagers.
Added AllowMovement property to ScenePresence which can be used to stop movement of avatars (for example in a custom region that wanted avatars always in one place).
Added PermissionManager call when copying objects, although currently the call will always return true so that it allows copying in places like Wright Plaza.
A few other changes/fixes.
Note this has lead to a big flat project, but I think a lot of the files we most likely don't even use any longer. And others belong in other projects/namespaces anyway.
* Introduced ModuleLoader.PickupModules that currently picks up IRegionModule:s from /bin
* Made LogBase thread-safe (or at least not thread-ignorant)
* Ignored some genned files
Some more modules templates classes (hoping that someone will pick some of these and work on implementing them).
Early version of the "Dynamic Texture Module", although currently there are no render modules included (so not really functional without them).
Added osSetDynamicTextureURL script function, for attaching a dynamic texture to a prim.
Some work on the console command handling. Added "change-region <regionname>" and "exit-region" so that after the use of change-region, the commands entered will apply to that region only. Then use exit-region to return to the top level (so commands then function as they did before and either apply to all regions or to the first region) (Note: this hasn't been tested very much)
Some work on the asset cache, can people please test this. including on one of the public systems so we can see if it causes problems with multiple users.
