* Added tests for online dfs agent

* Minor formatting fixes

* Completed notebook sections

* Updated README.md

* Fixed a test

* Added new algorithms to display_visual notebook function

* Added RBFS visualization

* Added POMDP value iteration

* Added plot_pomdp_utility function

* Added tests for pomdp-value-iteration

* Updated README.md

* Fixed notebook import

* Changed colors

* Added notebook sections for POMDP and pomdp_value_iteration

* Fixed notebook parsing error

* Replace pomdp.ipynb

* Updated README.md

* Fixed line endings

* Fixed line endings

* Fixed line endings

* Fixed line endings

* Removed numpy dependency

* Added docstrings

* Fix tests

* Added a test for pomdp_value_iteration

* Remove numpy dependencies from mdp.ipynb

* Added POMDP to mdp_apps.ipynb

* test case for zebra problem

* Revert "Merge remote-tracking branch 'upstream/master'"

This reverts commit 5ceab1a27ff73b410200c2f84d22e0a1d79b6fbe, reversing
changes made to 34997e48547a57939d568f170c60e442c2d54db5.

* discarded HEAD changes for merge

* added ensemble_learner jpeg

* updated travis and search

* Added logarithmic learner in nlp_apps (#890)

* Remove zebra tests

* revised Bayes learner explanation

* added missing SimpleReflexAgent from upstream

* A few helper functions

* Added Simulated Annealing

* Updated README.md

* Updated README.md

* Added function to plot NQueensProblem

* Added queen image

* Changed plotting function for NQueensCSP

* Replaced f'{}' with .format() notation

* Added Pillow to travis.yml

* test commit

* agents.ipynb

* agents.ipynb

* Fixed all the instances of issue #833

* minor fix and cleared change in agents.ipynb

* Updating submodule

* Moved viz code to notebook.py + changes

* Changed use of 'next'

* Added networkx to .travis.yml

* Added others to .travis.yml

* Remove time from .travis.yml

* Added linebreaks and fixed case for no algo

* Fixed spaces for args

* Renamed *search as *search_for_vis

* Update notebook.py

* Update notebook.py

* 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 knowledge.ipynb

* Update notebook.py

* Update knowledge.ipynb

* bringing it all together in notebook

* Added python code for psource (#613)

* added psource code with optional highlighting (#613)

* Update notebook.py

* Update nlp.ipynb

* line ran too long; shortening

* Update learning.ipynb

* Update notebook.py

* Update .travis.yml

* 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

* Fix flake8 warnings

* Remove unnecessary #noqa

* Fix doctest

* Exclude test files from flake8 check

* Fix flake8 for main files

* Add flake8 check to build

* Update search.py

Commenting issues fixed (spacing and punctuation was off sometimes).

* Update agents.py

* Update canvas.py

Grammar

* Update grid.py

* Update learning.py

Added period

* Update logic.py

Fix quoting

* Update mdp.py

Fixed quoting

* Update nlp.py

Capitalization and punctuation fixes

* Update planning.py

* Update probability.py

* Update rl.py

'th' to 'the'

* Update search.py

* Update text.py

* Update utils.py

* Update utils.py

* Update utils.py

* Update learning.py

Typo

* Update utils.py

* fixes an error in search.py

* modifies the method name 'exec' which is a built-in name

* 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