fix extra line space

Add build badge for Docker Hub

To make build issues from Dockerhub repo used for CI more visible.

* Add progress checker

* Fixing linter errors.

* Making method naming convention consistent.

* added addNewScanner method

* added shouldUpdateFilter and reorg ph_init

* added updateFilter method

* added publishParticleCloud

* added getMaxWeightHyp

* added publishAmclPose and calculateMaptoOdomTransform

* added sendMapToOdomTransform

* re-org the locations of laserReceived helper funcs

* fixed uncrustify

* add latest changes

* adding back in nan check before publishing pose

* fix uncrustify

* Set atomic_bool on StaticLayer::has_updated_data_

Signed-off-by: vinnamkim <vinnam.kim@gmail.com>

* Set a critical section on StaticLayer

Signed-off-by: vinnamkim <vinnam.kim@gmail.com>

* Protect the updateCosts method and enabled_ and has_updated_data_ variables.

* Disable failing dyanmic params and motion primitives tests.

* Fix a copy/paste error

This reverts commit 1a8e823c.

* enable obstacle layers

* We need to re-enable the in_window flag once we get close.

* Ignore y velocity in RotateToGoal critic if differential drive robot.

* Scores need to be positive.

* Fixing linter issue

* Revert "Ignore y velocity in RotateToGoal critic if differential drive robot."

This reverts commit 3fef45d335d4dd9c196331d5aaf931a0cb204f48.

* Make closer goals to robot so it is more inclined to follow the path

* Add some comments

* Fix linter issues.

* Various DWB param tweaks.

* Easing off final positioning parameter

* Increase obstacle avoidance strength

* Removing a parameter that doesn't need so much tweaking.

* Push final pose on trajectory instead of initial pose.

* We need start pose and end pose for trajectory visualization

Also making the same fix in the limited accel generator.

* Fix unit tests

* addressing #591

* Enabling planner tester

* Removed placeholder code for yaml

* Fixed typo

* Disabling test

* Test stubs

* Defining the tests

* Fixed build error

* Fixing test issues

* Renaming task server start and stop

* Creating separate build file for tests

* Addressing feedback

Use the new Coroutine-based BTActionNode base class as that is recommended for ROS Action-like tasks (#492)