Rosdep

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- Bump rospkg dependency to guarantee all platforms are available..
- https://github.com/ros-infrastructure/rosdep/issues/717
- Set ROS_PYTHON_VERSION if unset.
- https://github.com/ros-infrastructure/rosdep/issues/708

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- Fix problem with release uploaded to PyPI.
- https://github.com/ros-infrastructure/rosdep/issues/705

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- Add support for Nix/NixOS.
- https://github.com/ros-infrastructure/rosdep/pull/697
- Update supported platforms.
- Dropped platforms older than Xenial.
- Added Ubuntu Cosmic, Disco, and Eoan.
- https://github.com/ros-infrastructure/rosdep/pull/700
- Add sudo dependency in debian packages.
- https://github.com/ros-infrastructure/rosdep/pull/680
- Improve support for AMENT_PREFIX_PATH used in ROS 2.
- https://github.com/ros-infrastructure/rosdep/pull/699
- Add support for the --ignore-src argument for the keys verb.
- https://github.com/ros-infrastructure/rosdep/pull/686

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- Migrate to yaml.safe_load to avoid yaml.load vulnerabilities.
- https://github.com/ros-infrastructure/rosdep/pull/675
- Improve text feeback and prompts
- https://github.com/ros-infrastructure/rosdep/pull/675
- https://github.com/ros-infrastructure/rosdep/pull/670
- https://github.com/ros-infrastructure/rosdep/pull/665
- Add support for MX Linux
- https://github.com/ros-infrastructure/rosdep/pull/674
- Add support for OpenEmbedded
- https://github.com/ros-infrastructure/rosdep/pull/673
- Add support for Alpine
- https://github.com/ros-infrastructure/rosdep/pull/673
- Add support for CentOS and improve RHEL
- https://github.com/ros-infrastructure/rosdep/pull/668
- https://github.com/ros-infrastructure/rosdep/pull/667

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- Change GitHub url's which no longer work.
- https://github.com/ros-infrastructure/rosdep/pull/663
- Fixed a flake8 warning.
- https://github.com/ros-infrastructure/rosdep/pull/659
- Reduced number of supported platforms, e.g. trusty and newer only now.
- https://github.com/ros-infrastructure/rosdep/pull/657

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- Use yaml.safe_load for untrusted yaml input.
- https://github.com/ros-infrastructure/rosdep/pull/651
- Evaluate conditions before collecting dependencies.
- https://github.com/ros-infrastructure/rosdep/pull/655
- Fixes https://github.com/ros-infrastructure/rosdep/pull/653
- Filter ROS 2 distros out of ROS 1 test results.
- https://github.com/ros-infrastructure/rosdep/pull/652