Release 2

[adamajammary]

• Added hardware acceleration on video decoding
• Updated README
• Used dummy audio if no device is found
• Added public methods to
  • Get media type of a specific file
  • Get media meta data of a specific file
• Fixed
  • Cross-platform Arial font paths
  • Custom sub draw operation overrides default sub style
  • Some mp3 files need extra stream parsing to calculate duration
  • Subtitles overlapping in time and space
  • Subtitles still presented after PTS expired
  • YUV420P video conversion
• Updated meta data
  • Added file size and media type
  • Added media duration
  • Sorted meta keys
• Made file check less restrictive
  • Parses content of non-system files instead of only opening certain file extensions