* Added initial (untested) land searching support to DirectoryManager
* Completely refactored Parcel.cs, moved land directory searching and abstracted out parcel information downloading. Updated to the new protocol
* Added initial (untested) ParcelDownloader class to libsecondlife.Utilities
* Removed dangerous exposed generic lists and parcel downloading state tracking from Region
* Updated the Logout callback to the new protocol
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@859 52acb1d6-8a22-11de-b505-999d5b087335