Merge pull request #127 from repetier/master

Fix problems in settings parser
"*.STL" files might be STL files too

Makes STL file detection based on extension work case insensitive. Without
that patch, files named like "FILE.STL" or "file.StL" or ... couldn't be
sliced. CuraEngine quit attempts to do so with "Could not load file"
instead.
Merge pull request #128 from foosel/fix/fileExtension

"*.STL" files might be STL files too
Speed up the path-order-optimizer by using a hashmap to look for nearby points. This greatly speeds up the order optimizer when used on infill lines.
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
Update README.md

removed typos, improved syntax and changed some expressions
Fix in the dot_score calculation, was causing wrong start points to be selected.
Remove build clipper on clean.
Flags for OpenBSD
Merge pull request #141 from qbit/master

Add flags for OpenBSD
Fix BFB support.
Merge branch 'master' of github.com:Ultimaker/CuraEngine
Fix #144 for dos format files.
Improve skirt handling with support material
It looks like removing duplicate faces actually has a negative effect on "bad" model.