LOD morphing: improvements, fix to HeightField resampler.
Fix #308 Crash in mask code in MP driver
Add support for ImageLayer 'sharing' in MP engine GPU processing
add layout to TextSymbol
add layout to TextSymbol
Update AnnotationUtils.cpp
add layout to TextSymbol
Add HTMGroup
Remove old spatialindexing header
Patched IconResource.cpp to not use TextureRectangle since the ShaderGenerator does not aupport it
Add NPOT supports to capabilities
FIX: problem with the ResourceCache and SubstituteModelFilter
add AutoScale
add HTM
Merge branch 'master' into topic-auto-scaling
Merge pull request #314 from chezgi/master

add layout to TextSymbol
Add warning against using SQL with TFS; fix broken cmakelists
Merge branch 'master' of github.com:gwaldron/osgearth
Update the AutoScale shader, GeometyCompiler/ModelNode support, and docs; Add vertex cache optimization to ModelResource
Merge branch 'topic-auto-scaling'