add pathfinder spec initialization
add spec for distance to method
add spec for humanoid factory
Merge pull request #2 from PhilVargas/pathfinder-spec-initialize

add pathfinder spec initialization ![](http://media.giphy.com/media/KXY5lB8yOarLy/giphy.gif)
merged
initial pull request includes tests and methods up to next_turn for board.js