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.
Change how open polygons are saved. As std::vector never clears memory and the old implementation could mean a lot of memory was never freed.
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.
Merge pull request #150 from presslab-us/fixpathstart

Reset start position for new layers
Seperate the skin and infill to give them different speeds. Also change the printing order of this to handle pressure differences better. Which should increase print quality on advanced profiles.
Fix the raft printing speed.
Merge branch 'master' of https://github.com/Ultimaker/CuraEngine into Ultimaker-master

Conflicts:
	src/fffProcessor.h
	src/gcodeExport.cpp
	src/pathOrderOptimizer.cpp
Merge branch 'Ultimaker-master' into master-bak