Create CHANGELOG.

Change-Id: I02d82cbe01f44be8885e25128731e02da55e304d
Release 0.3.0.

Change-Id: I1c36cbe5f879f326da6227ad9d35da8696d66429
Bump version after release.

Change-Id: Ie9409077f11e814207ba6e1cc6391fa8ed18f8a2