v0.12.4

Fixes

• Host: in release mode, do not generate "*.dot" file during the process
• AudioVideo writer: fix audio negative offset
• sam
  • add verbose option for all tools
  • add log for all tools
  • sam do --file-formats: do not print the same extension several times
  • sam do: check command line and print help if the inputs are not well written
  • sam ls: do not print an Item several times

Enhancement

• AudioVideo reader: get bitDepth of input from avtranscoder

Other

• Add Dockerfile
• Remove different behavior of log when build on release/debug