New features
- Added a FAQ page.
- Added Xcode project support.
- Added support for docker usage (#30).
- Update CLIs with support for JSON/XML output, temporal pooling options and etc.
- Added wrapper/vmafossexec -- a Python-independent executable in C++.
- Added SSIM/MS-SSIM option in run_testing.
- Updated VmafFeatureExtractor to 0.2.2b with scaled ADM features exposed (adm_scale0-3).
- Updated VMAF algorithm to v0.3.2 (with numerical fixes in the features).