Ultimaker/CuraEngine — pull request #150 by presslab-us (2014-12-14 17:23:35+00:00)
Title: Reset start position for new layers

Reset the start position of the path optimizer for each new layer
so that it doesn't double up on the layers, causing problems for
cooling.
See also: http://umforum.ultimaker.com/index.php?/topic/8650-doubling-up-on-layers-bad-for-cooling/