and update intro.ipynb

* 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

* Fixed a typo in logic.py

* Added translate_to_SAT()

* extract solution from model

* added test cases

* removed debug code

Add InfixOps, refactor expo and Expr

* changes a typo of file name to /aima-data

* modified some documentaion and removed doc tests

* changed the names like Fig[2, 3] and added unit tests for search.py

* adds Fig[4.23] graph which is 1-dim state space problem

* adds LRTA star agent class

* adds fully implemented LRTA star agent

* adds tests for LRTA star agent

* Model for ContinuousWorld

* Added PolygonObstacle Class

* Added HTML for Continuos World

* Added JS for Continuous World

* Implemented ContinuousWorldView Class

Removed truncate() and added rounder() as discussed in #183

Replaced inline pylab with standard matlab inline magic

More Intutive Representation of Policy in Notebook

Enhances truncate() method & modifies built-in name "vars" through out the repo

Notebook with Usage Examples & Plots for rl.py

Cleans some parts of the codeBase

Added Function to Simulate Iteration in Agents

Added Details on how to view source of imported implementations

fixes probability.py, removes extra notebook, update readme.md

Added WalkSAT