* covering A* case in code coverage

* add a couple tests to see if that improves coverage

* added more videos on roscon talks to the tutorials, similar to creating a costmap layer.

* formatting.

* grammar fixes.

* Some minimal changes from locusrobotics/robot_navigation

- Add publisher checks to publisher.cpp
- Method name change from addGridScore to addCriticVisualization

* Add test for trajectory_utils

- Fix namespace for trajectory_utils

* Address reviewer's comments

* Change if statments

* Minor fixes

* adding webpage for known plugins

* adding navigation plugins to readme

FootprintSubscriber constructor is using a Duration constructor that
expects two integers for seconds and nanoseconds, but the
footprint_timeout argument type is double, suggesting it should be
floating point seconds. This uses `Duration::from_seconds()` to the
timeout being rounded down to the next integer.

Signed-off-by: Shane Loretz <sloretz@openrobotics.org>

* add robot_base_frame parameter to planner_server and parameter yaml files

Signed-off-by: Daisuke Sato <daisukes@cmu.edu>

* bugfix

* Revert "bugfix"

This reverts commit 579757c4225d42ead02b51374ef31df7290df954.

* Revert "add robot_base_frame parameter to planner_server and parameter yaml files"

This reverts commit 620159f908785e7918913394131b6aea2d807eba.

* get robot pose from costmap

* adding gradient layer costmap2d plugin tutorial

Signed-off-by: Alexey Merzlyakov <alexey.merzlyakov@samsung.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

* Update sphinx_doc/tutorials/docs/writing_new_costmap2d_plugin.rst

Co-Authored-By: Steve Macenski <stevenmacenski@gmail.com>

Co-authored-by: Steve Macenski <stevenmacenski@gmail.com>

* fixing website hyperlink for brian wilcox

* incremental updates to website

* adding new robot picture

* fixing website hyperlink for brian wilcox

* throttling down TF on bringup

* fixing website hyperlink for brian wilcox

* deal with merge conflicts

* add different headings

* fixing website hyperlink for brian wilcox

* simplify build instructions and fix getting started image figures

* fixing website hyperlink for brian wilcox

* fix extended over line on slam page

* fixing website hyperlink for brian wilcox

* increasing the sidebar by 20 pixels for longer titles on website

* fixing website hyperlink for brian wilcox

* finishing up sizing for sidebyside images for sprint 2

* autoplay videos

* fixing website hyperlink for brian wilcox

* finishing up sizing for sidebyside images for sprint 2

* fixing website hyperlink for brian wilcox

* move nav2 experimental rl into separate branch

* fixing website hyperlink for brian wilcox

* add nav2 system tests to codecov blacklist

* adding about pages

* changing figure resolutions and adding references to pages added

* adding lifecycle shared from this to lifecycle utils

* fix signature on dwb odom sub without ref

* linting

* adding back docker build status

* adding context to badge

* uncaps

* adding lifecycle shared from this to lifecycle utils

* fix signature on dwb odom sub without ref

* linting

move odom sub thresholds to the controller server for no change in behavior but prior change in authority (#1528)

* Declare progress checker parameters

* Use declare_if_not_declared function

This should allow the node to be brought down and back up using
the lifecycle manager.

whitespace issues

* Add warning to map server, so people know they've launched a lifecyle node

* Rework message to use formatting to get attention instead of a warning.

* Moving print into LifecycleNode class.

* Fixing an uncrustify failure.

* Normalize navigate_to_pose action names to be snake cased.

Signed-off-by: Michel Hidalgo <michel@ekumenlabs.com>

* Missed changing the case in the test script itself

Co-authored-by: Carl Delsey <carl.r.delsey@intel.com>

* remove nav2_ prefix from all launch files and docs

* remove conflicted doc