Add stub for Weather playground
Simulate weather transition
Calculate stationary distribution (stochastically)
Extract exercise-specific code
Find stationary distribution using the limit of Trans^n
Compute entropy of stationary distr. 2.8.2 (e)
Simulate inaccurate measurements which makes our model a Hidden Markov Model
Display initial state
Print distributions on one line to be prepared to printing Belief
Implement belief propagation with Bayes filter
Merge pull request #1 from krasin/weather-1

Experiments with Markov chains and Markov Hidden Models