* clean up clothoidal_paths.py
* add unit tests for clothoid_paths
* add unit tests for clothoid_paths
* add unit tests for clothoid_paths
* code clean up
* code clean up
* code clean up
* code clean up
* code clean up
* code clean up
* code clean up
* code clean up
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs
* clean up SLAM docs