Removed bad hidden character in source code for AStarFinder
Removed bad hidden character in source code for BiAStarFinder
Merge pull request #44 from Wappworks/master

Removed hidden control character in AStartFinder and BiAStarFinder source code
fix: typo in readme
mod: use heap from 3rd party lib
fix: built script for minified distribution
mod: use minified pathfinding.js for visualization
Merge branch 'master' into gh-pages

Conflicts:
	package.json
	src/PathFinding.js
	src/finders/AStarFinder.js
	src/finders/BiAStarFinder.js
	src/finders/JumpPointFinder.js
	utils/build.js