A fix for VS2010 build errors.
Merge branch 'master' of https://github.com/gwaldron/osgearth
Better observer_ptr protection in Terrain.cpp
Dump data extents on load
Add TerrainEngineNode.invalidate
Merge branch 'master' of github.com:gwaldron/osgearth
ShaderGen: generate osg_MultiTexCoord- instead of gl_MultiTexCoord- for units less than 8.
Support vdatum override in TMS; Default normalize_edges to false
Added support for 3D texture coordinates to the MeshConsolidator to support texture arrays in the ExtrudeGeometryFilter.

This fixes the issues described at
http://forum.osgearth.org/picking-buildings-osgEarth-city-demo-td7584476.html#a7584480
about feature indexing not working in the osgearth_city demo.
Units: fixed the temporal conversion factors
Defaulting TFS format to JSON
Merge branch 'master' of https://github.com/gwaldron/osgearth
Add gamma parameter to AggLite driver
Remove the .gitignore file added by error
Merge pull request #466 from aurelien35/Dev

Add gamma parameter to AggLite driver