- updated all examples/gl* to make use of common/argOptions.h
- implemented -yup where user-supplied geometry is imported
- updated glPtexViewer to use ObjAnim class for animated geometry
- added definition to regression/common/shape_utils.h
- removed examples/common/shapeDesc.h and all references to it
- removed local definitions of ShapeDesc from examples, regressions, etc.
- overloaded Shape::parseObj() with ShapeDesc
- updated examples to use Shape::parseObj(ShapeDesc const&);
- removed axis argument to Shape::ParseObj() and ObjAnim::Create()
- replaced -axis with -yup in examples/common/argOptions
- updated clients of ArgOptions: glViewer, glFVarViewer, dxViewer
- updated documentation for common arguments and usage of examples
Started refactoring how we parse arguments for sample viewer
applications into a common place. This will make it easier
to keep args consistent between applications.