Added std::map and Slic3r::Polygon to include list, sorted includes.
Added std::map and Slic3r::Polygon to include list, sorted includes.

lordofhyphens/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,curieos/Slic3r,curieos/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,pieis2pi/Slic3r,curieos/Slic3r,alexrj/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,lordofhyphens/Slic3r