Pau Carré Cardona

This is an example from Lady and Cow: Image: https://drive.google.com/file/d/1LF35dqW4x5z_Fu2rQ-UFAJuwukVjfsPn/view?usp=sharing Mesh: https://drive.google.com/file/d/1OiCMfb4HFpLIdbGzFEW7ZGTqLMBxbomL/view?usp=sharing

This PR is related to https://github.com/PRBonn/vdbfusion_ros/pull/1

@nachovizzo I will update the PR this (late) evening

@nachovizzo updated. Note that I forced C++17 as it seems it no longer builds unless it uses C++14. I think C++17 has advantages so if you force a a C++...

@ruffsl @ToniRV @victorreijgwart FYI, there is limited and partial ROS2 support for **voxblox** in https://github.com/cmrobotics/voxblox/tree/ros2 . The library in **voxblox** and **voxblox_msgs** folders can be built using ROS2 foxy **colcon**...

@longcw it didn't work for me ``` boxes_index = boxes_index.cuda(input.data.get_device()) ``` Still it fails saying tensors are in different GPUs. It only works when using the GPU with index `0`....