* Update notebook.py

- remove duplicate psource
- add section headers
- add mdp visualization code

* Update nlp_apps.ipynb

* Update csp.ipynb

* Update mdp.ipynb

* Update games.ipynb

* Update learning.ipynb

* Update csp.ipynb

* Update games.ipynb

* Update games.ipynb

* Update games.py

* Update logic.ipynb

* canvas -> notebook in games

* Rename canvas.py to notebook.py

* Moved Canvas_TicTacToe

* Remove jupyter from travis.yml

* Remove requirements for travis

* Install ipython for travis

* Improved Canvas_TicTacToe

* Added canvas minimax

* Increased Canvas_minimax tree depth to 3

* Added canvas example for alpha-beta pruning

* Update games.py

* Create test_games.py

* Create games.ipynb

* Update games.ipynb

* Update games.ipynb

* Update games.ipynb

* Update intro.ipynb

* Update csp.ipynb

* updated games.ipynb with refactored games.py

* fixed typos in games.ipynb

* Delete fig_5_2.svg

* add fig_5_2.png

* Update games.ipynb

* Error message of python errors

* Added Canvas_TicTacToe class

* Added TicTacToe to notebook

* Added games.ipynb

* moved js file to js folder

* added kernel test notebook

* modified kernel.ipynb

* Added canvas support

* Added mouseclick to canvas

* add TicTacToe to canvas

* removed import statement in games.py

* corrected HTML tags

* Added comments and doctring

* Added methods for drawing with normalized units

* Added text support

* Fixed int type during normalization

- Fix relative imports in base of is a package or not
- Fix not working notebooks
- Add notebooks to packages sources