am 5c5c85a5: am 987e7fb2: Merge change I9a275773 into eclair-mr2

Merge commit '5c5c85a5050d5512e437be65ec00d3f31b8bf004'

* commit '5c5c85a5050d5512e437be65ec00d3f31b8bf004':
  Initial check in of AMR (NB and WB) decoders based on PV source code.