Created a header file for the ros_control gazebo plugin
Renamed plugin to match file name, tweaked CMakeLists
Cleaned up template, fixes for header files
Merge pull request #103 from ros-simulation/ros_control_plugin_header

Created a header file for the ros_control gazebo plugin
Remove direct dependency on pcl, rely on the transitive dependency from pcl_ros
Updating changelogs
2.3.1
per pull request comments
Merge branch 'hydro-devel' into synchronize_with_drcsim_plugins