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