build: fix catkin lint errors

[rhaschke]

• cleanup test_plugin cmake
• cleanup mujoco_ros_control cmake
  • Effects of NO_OPTIM flag moved to default Debug build.
  • Adds new CMAKE_BUILD_TYPE "Sanitize" in favor of dropping NO_OPTIM and SANITIZE flags.
  • Fixed catkin lint errors for this sub-package
• cleanup mujoco_ros_sensors cmake
  • Effect of NO_OPTIM flag moved to default Debug build.
  • Adds new CMAKE_BUILD_TYPE "Sanitize" in favor of dropping NO_OPTIM and
  • SANITIZE flags.
  • Fixed catkin lint errors for this sub-package.