* Control navfn transitions within the planner tester

* Added periodic publishing of transform

* Some refactors to PlannerTester

revert launch file change

Nav2 core

changing pose topics to goal_pose

possibly responsible for heisenbug https://github.com/ros-planning/navigation2/issues/1079#issuecomment-526782592

* Add proper SPDX license IDs and repo LICENSE file

* Fixing a minor linter typo

Adding a link to the upstream documentation on behaviortree.dev

* Move AMCL library files back to nav2_amcl package

* Fixing up naming so things compile again

* Transition copyright disable check to follow eig3 files.

* Transition amcl files license to LGPL 2.1

* Adding missing copyright headers to nav2_bringup package

* Adding missing copyright headers to nav2_common

* Fixing up include guard to match coding style

* Reformatting license to pass the copyright check

The change here is only whitespace changes - line length and paragraph
spacing, as well as the addition of the license title

* Relicensing file to better match the existing package

* Fixing readme to account for the new change