Controller publishing the state of a F/T sensor.
Controller publishing the state of a IMU sensor.
Propagate changes in hardware_interface.

- force-torque and IMU sensors no longer depend on Eigen.

- The controllers that publish sensor state don't need the Eigen wrappers
  and now use the raw data directly.
Merge branch 'master' into sensor_interfaces
Fix package URLs.
Fix package URL in package.xml
Merge branch 'hardware_interface_rework' into sensor_interfaces
Propagate sensor interfaces API changes.
Revert "Fixed PLUGINLIB_DECLARE_CLASS depreacated errors"

This reverts commit 2314b8b434e35dc9c1c298140118a004e00febd8.
Merge branch 'fuerte_backport' into sensor_interfaces
Restore "Fixed PLUGINLIB_DECLARE_CLASS depreacated errors""

This reverts commit 0862ad93696b0d736b565cd65ea36690dde0eaa7.
Fix PLUGINLIB_DECLARE_CLASS depreacated errors.
Fix author name typo.
Add package.xml scripts.
Make hybrid rosbuild-catkin packages.

Affects force-torque and imu sensor controllers.
Add missing entries to ros_controllers metapackage.
Merge pull request #28 from pal-robotics/hardware_interface_sensors

Controllers for exporting the state of force-torque and IMU sensors to ROS topics
Add meta tags to packages not specifying them.

- Website, bugtracker, repository.
Removed controller_msgs
Merge pull request #29 from davetcoleman/hydro-devel

Reviewed by @jbohren

Fixed PID destructor bug, cleaned up code