Merge pull request iRobotEducation#6 from iRobotEducation/asoragna/pr…

…epare-for-release

Asoragna/prepare for release

Add Audio Messages

Add WheelStatus msg and translate_direction field to DriveArc

Add drive goal and led animation actions

bump version to 1.2.0

Signed-off-by: Alberto Soragna <[email protected]>

bump version to 1.0.0

Signed-off-by: Alberto Soragna <[email protected]>