Use Qt default font instead of hardcoded defaults
TextSymbol: make size a numericexpression
Changed Session to only create a script engine when a stylesheet is present (otherwise unneeded).
Fixed misleading javascript error message.
Merge branch 'master' of https://github.com/gwaldron/osgearth
Merge branch 'master' of github.com:gwaldron/osgearth
Add TextureSplatter
MBTiles: better handling of formats, especially for elevation data
TMS Packager: apply an alpha mask when using an express bounding box
Add accept callback to VP::setFunction
Add duktape plugin
VP: added a ShaderComp::AcceptCallback test to osgearth_shadercomp
namespace fix
Duktape: work in progress.
duktape: it works. still need to address the object getter idiom
duktape: cleanup
VirtualProgram: add a getShaders method
VirtualProgram: Make internal functions protected to prevent shinanigans.
Duktape: fix cmake
Support the 3 different feature attribute access idioms.
Duktape: clean up; create feature object programatically