Playr 2.7

- Hardware decoding on the GPU for H.264 and H.265 (HEVC) video tracks.
- Hardware decoding also works for containers like .MKV (Matroska)
- Hardware decoding saves battery life and CPU cycles.
- Easily plays 4K video when hardware decoding is available.
- FFmpeg version 4.4 "Rao".
- Other minor fixes and tweaks.