0.11.4.0

Rename AacMp4StreamConfig to AacInitSegment
Rename InitSegment to BinaryAacInitSegment
Extract AacInitSegment and BinaryAacInitSegment from module AudioStreaming into a new module: Data.ByteString.Mp4.AacInitSegment
Fix unit test Mp4AudioSampleEntrySpec
Add CHANGELOG.md
Switch to stackage lts-8.6