1. Added support for loading sub-objects in .OBJ into a generic
attribute.
2. Added missing mesh_are_equivlent classes needed for certain unit
tests.
3. Updated javascript decoder reflecting our latest changes + added
support for GeometryAttribute::custom_id() method.
4. Added checks for valid quantization bits to our draco_encoder app.
1. More optimized selection of prediction schemes for different
compression levels on the encoder side.
2. Improved robustness to tampered input data (.drc)
3. Added support for strognly typed vectors of bools
4. Support for logging and squared lenght to our VectorND class
5. Added support for partially defined indices in .OBJ files
6. Added support for loading of normal vectors in .PLY files
