Fixed issue where layers with a min level wouldn't get traversed into in CacheSeed.
Applied same isKeyInRange check to the TMSPackager.
Merge branch 'master' of https://github.com/gwaldron/osgearth
Remove old normal mapping hook from exampleresources
Merge branch 'master' of https://github.com/gwaldron/osgearth
Normal map: fix shaders.
NormalMap multiline gcc error fix
Merge pull request #548 from rmk177/master

NormalMap multiline gcc error fix
Added FastDXT ImageProcessor
Added fastdxt option to texture_compression mode.
Updated docs to reference fastdxt
Merge branch 'master' of https://github.com/gwaldron/osgearth
Merge branch 'topic-fastdxt'
Build fix for FastDXTImageProcessor on linux.
Added a couple of OpenWeatherMap examples
Disabled caching for weather layers.
Added pressure example.
Added limits.h include to GeoCommon to get FLT_MAX
Really fixed FLT_MAX build issue.
Added attribute binding to the VirtualProgram copy constructor.
Fixed bug in TMS reader.
Added back in ability to set the format from the options instead of in the metadata