Stable release v1.2.0
This is primarily a bug fix release which addresses the following:
- Fix issue #67 (Validation warning when using some Accessor data types)
- Fix issue #68 (Allow application/gltf-buffer mimetype)
- Fix issue #72 (Building with newer versions of nlohmann/json)
- Fix issue #77 (Out of bounds access reading GLBs)
Additional changes include:
- Various minor clang-tidy cleanups
- Simplified window/console support for the viewer