Modified Landsat256 config file to define 10 levels.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk/WorldWind@1873 822214bb-dcf7-4c8d-a767-17ae0fb20d88
Consume left-click, left double-click and drag end events in ViewControlsSelectListener.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk/WorldWind@1876 822214bb-dcf7-4c8d-a767-17ae0fb20d88
Modified elevation model to draw extreme values from full elevation tiles rather than just the portion of a tile that overlaps a specified sector.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk/WorldWind@1891 822214bb-dcf7-4c8d-a767-17ae0fb20d88
Removed use if display lists from SkyGradientLayer. They were being nearly constantly regenerated and thrashing the GPU resource cache.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk/WorldWind@1892 822214bb-dcf7-4c8d-a767-17ae0fb20d88
Added AnimatedGlobe example.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk/WorldWind@1893 822214bb-dcf7-4c8d-a767-17ae0fb20d88
Changes to Alaska FAA sectionals bulk download.

git-svn-id: http://worldwind31.arc.nasa.gov/svn/trunk/WorldWind@1911 822214bb-dcf7-4c8d-a767-17ae0fb20d88