Added Apache v2 LICENSE.md file.
Update ManhattanHeuristic.java

The algorithm was incorrect. It works as expected now.
Updated .gitignore for future Android Studio support.
Added crashlytics xml file to gitignore.
Merge pull request #218 from ebbybeh/patch-1

Fixed a bug in ManhattanHeuristic.
Update README.md
Update README.md
Update README.md
Added tip4commit to README.
replaced with recastrodiaz version
AndEngine Forums - [Update] ParallaxLayer

http://www.andengine.org/forums/features/parallaxlayer-t5390.html