remove workaround and enable tf2_ros/message_filter

* Initial work on running planning and control in parallel
* Checkpoint a working version with lots of debugging traces
* Remove debugging traces
* Remove the temporary hooks
* Address lint issues
* Remove some debug output
* Fix a compile problem after taking out some debug code
* Read the BT XML from an external file
* Re-enable DWB code
* Address reviewer feedback

Suggested in a comment to PR.

* Revert "Revert "Remapping fixes for the lastest Turtlebot 3 models (#338)" (#344)"

This reverts commit 49836b8a.

* Fixing latest tb3 scan frame ID.

* fixed amcl bug that was introduced during refactoring

Smart planner to navfn planner renaming

Have to use position-independent code (-fPIC) for code that's in shared
libraries.  Also, had to make other non-node libraries SHARED as well
since they could be used by nodes in node libraries and this code would
need to be position independent as well.

* Enable colcon-test in travis for passing packages

* Use colcon test-result

* Update full list of failing tests

This reverts commit b65d0938.

* Changes for latest TB3 models

* Turning TF bush into TF tree.

Adding a fix to remove the 'hook' artifact at the end of the global plan.