Add Apache-2.0 license headers

franka_hw/include/franka_hw/control_mode.h

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #pragma once
 
 #include <ostream>

franka_hw/include/franka_hw/franka_cartesian_command_interface.h

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #pragma once
 
 #include <array>

franka_hw/include/franka_hw/franka_hw.h

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #pragma once
 
 #include <array>

franka_hw/include/franka_hw/franka_model_interface.h

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #pragma once
 
 #include <array>

franka_hw/include/franka_hw/franka_state_interface.h

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #pragma once
 
 #include <string>

franka_hw/include/franka_hw/trigger_rate.h

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #pragma once
 
 #include <ros/time.h>

franka_hw/src/control_mode.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include <franka_hw/control_mode.h>
 
 #include <algorithm>

franka_hw/src/franka_hw.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include <franka_hw/franka_hw.h>
 
 #include <cstdint>

franka_hw/src/resource_helpers.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include "resource_helpers.h"
 
 #include <ros/console.h>

franka_hw/src/resource_helpers.h

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #pragma once
 
 #include <list>

franka_hw/src/trigger_rate.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include <franka_hw/trigger_rate.h>
 
 namespace franka_hw {

franka_hw/test/franka_hw_controller_switching_test.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include <array>
 #include <list>
 #include <random>

franka_hw/test/franka_hw_interfaces_test.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include <array>
 #include <random>
 #include <string>

franka_hw/test/main.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include <gtest/gtest.h>
 #include <ros/ros.h>
 

franka_visualization/src/franka_joint_state_publisher.cpp

+// Copyright (c) 2017 Franka Emika GmbH
+// Use of this source code is governed by the Apache-2.0 license, see LICENSE
 #include <franka/exception.h>
 #include <franka/robot.h>
 #include <ros/ros.h>