Make the hashPoint function use a const to fix compile issues.
Fix problems with path order generating more travel on infill then it should. See: http://umforum.ultimaker.com/index.php?/topic/7727-1409-creates-insane-amounts-of-travel/
Update optimizedModel.h

fix position calculate error when autoCenter!=1
Merge pull request #134 from zwbrush/master

Update optimizedModel.h
Merge https://github.com/Ultimaker/CuraEngine