Merge pull request #27 from jmacglashan/jmacglashan

updated RMax Action to new requirements of implementing the getTransitio...
Merge pull request #28 from jmacglashan/jmacglashan

Fixed bug in value copying for array attribute values when initial value is null
Merge pull request #29 from jmacglashan/jmacglashan

Fixed bug in value copying for double array attribute values
Merge pull request #30 from jmacglashan/jmacglashan

common NullAction updated to implement the getTransitions methods (uses ...
respect the value of maxPolicyIterations
Merge pull request #31 from kylejmcintyre/master

respect the value of maxPolicyIterations
Merge pull request #32 from jmacglashan/jmacglashan

various minor helper methods
added value function visualization helpers to streamline line gridworld-based value function visualization