Changed Autobed Engine to support version two IO.
Changed Autobed Engine to support version two IO.

gt-ros-pkg/hrl_autobed_dev,gt-ros-pkg/hrl_autobed_dev,gt-ros-pkg/hrl_autobed_dev,gt-ros-pkg/hrl_autobed_dev,gt-ros-pkg/hrl_autobed_dev,gt-ros-pkg/hrl_autobed_dev