am 28fdcf93: am 08945576: Merge change I9ac0777e into eclair-mr2

Merge commit '28fdcf93bd4150299d1b7eda0c9bdcf4ae75069a'

* commit '28fdcf93bd4150299d1b7eda0c9bdcf4ae75069a':
  Initial checkin of software AMR NB encoder based on PV source code.