am 0191c801: am 7fa9afed: am 3ccdf0bb: am c3e314a9: Merge changes Ie4b641cd,I5502b71d,I68086ce4

* commit '0191c801075c3a5218c69917e8488bcce38dce2b':
  libion: add apache license header to ion_test.c
  libion: initial unit tests
  libion: update ion_test.h