* face recognition with knn
* improved knn, added doc and tests
* updated for flake8
* fixed requirements
* fixed paths in test
* fixed additional paths in test
* updated tests
* updated readme
* Add recognition with k-nearest-neighbors classifier
* Correcting for PR comments
* remove scikit-learn from global requirements
* remove scikit-learn from setup requirements
* Add intro to knn example
itamar8910