Moved C++ code into new libslic3r directory

xs/MANIFEST

@@ -1,6 +1,6 @@
 Build.PL
 lib/Slic3r/XS.pm
-MANIFEST			This list of files
+MANIFEST
 src/admesh/connect.c
 src/admesh/normals.c
 src/admesh/shared.c
@@ -1648,46 +1648,68 @@ src/boost/utility/swap.hpp
 src/boost/utility/value_init.hpp
 src/boost/version.hpp
 src/boost/visit_each.hpp
-src/BoundingBox.cpp
-src/BoundingBox.hpp
 src/clipper.cpp
 src/clipper.hpp
-src/ClipperUtils.cpp
-src/ClipperUtils.hpp
-src/Config.cpp
-src/Config.hpp
-src/ExPolygon.cpp
-src/ExPolygon.hpp
-src/ExPolygonCollection.cpp
-src/ExPolygonCollection.hpp
-src/Extruder.cpp
-src/Extruder.hpp
-src/ExtrusionEntity.cpp
-src/ExtrusionEntity.hpp
-src/ExtrusionEntityCollection.cpp
-src/ExtrusionEntityCollection.hpp
-src/Flow.cpp
-src/Flow.hpp
-src/GCode.hpp
-src/Geometry.cpp
-src/Geometry.hpp
-src/Layer.cpp
-src/Layer.hpp
-src/LayerRegion.cpp
-src/Line.cpp
-src/Line.hpp
-src/Model.cpp
-src/Model.hpp
-src/MotionPlanner.cpp
-src/MotionPlanner.hpp
-src/MultiPoint.cpp
-src/MultiPoint.hpp
+src/libslic3r/BoundingBox.cpp
+src/libslic3r/BoundingBox.hpp
+src/libslic3r/ClipperUtils.cpp
+src/libslic3r/ClipperUtils.hpp
+src/libslic3r/Config.cpp
+src/libslic3r/Config.hpp
+src/libslic3r/ExPolygon.cpp
+src/libslic3r/ExPolygon.hpp
+src/libslic3r/ExPolygonCollection.cpp
+src/libslic3r/ExPolygonCollection.hpp
+src/libslic3r/Extruder.cpp
+src/libslic3r/Extruder.hpp
+src/libslic3r/ExtrusionEntity.cpp
+src/libslic3r/ExtrusionEntity.hpp
+src/libslic3r/ExtrusionEntityCollection.cpp
+src/libslic3r/ExtrusionEntityCollection.hpp
+src/libslic3r/Flow.cpp
+src/libslic3r/Flow.hpp
+src/libslic3r/GCode.hpp
+src/libslic3r/Geometry.cpp
+src/libslic3r/Geometry.hpp
+src/libslic3r/Layer.cpp
+src/libslic3r/Layer.hpp
+src/libslic3r/LayerRegion.cpp
+src/libslic3r/libslic3r.h
+src/libslic3r/Line.cpp
+src/libslic3r/Line.hpp
+src/libslic3r/Model.cpp
+src/libslic3r/Model.hpp
+src/libslic3r/MotionPlanner.cpp
+src/libslic3r/MotionPlanner.hpp
+src/libslic3r/MultiPoint.cpp
+src/libslic3r/MultiPoint.hpp
+src/libslic3r/PlaceholderParser.cpp
+src/libslic3r/PlaceholderParser.hpp
+src/libslic3r/Point.cpp
+src/libslic3r/Point.hpp
+src/libslic3r/Polygon.cpp
+src/libslic3r/Polygon.hpp
+src/libslic3r/Polyline.cpp
+src/libslic3r/Polyline.hpp
+src/libslic3r/PolylineCollection.cpp
+src/libslic3r/PolylineCollection.hpp
+src/libslic3r/Print.cpp
+src/libslic3r/Print.hpp
+src/libslic3r/PrintConfig.cpp
+src/libslic3r/PrintConfig.hpp
+src/libslic3r/PrintObject.cpp
+src/libslic3r/PrintRegion.cpp
+src/libslic3r/Surface.cpp
+src/libslic3r/Surface.hpp
+src/libslic3r/SurfaceCollection.cpp
+src/libslic3r/SurfaceCollection.hpp
+src/libslic3r/SVG.cpp
+src/libslic3r/SVG.hpp
+src/libslic3r/TriangleMesh.cpp
+src/libslic3r/TriangleMesh.hpp
+src/libslic3r/utils.cpp
 src/myinit.h
 src/perlglue.hpp
-src/PlaceholderParser.cpp
-src/PlaceholderParser.hpp
-src/Point.cpp
-src/Point.hpp
 src/poly2tri/common/shapes.cc
 src/poly2tri/common/shapes.h
 src/poly2tri/common/utils.h
@@ -1700,30 +1722,9 @@ src/poly2tri/sweep/sweep.cc
 src/poly2tri/sweep/sweep.h
 src/poly2tri/sweep/sweep_context.cc
 src/poly2tri/sweep/sweep_context.h
-src/Polygon.cpp
-src/Polygon.hpp
-src/Polyline.cpp
-src/Polyline.hpp
-src/PolylineCollection.cpp
-src/PolylineCollection.hpp
 src/polypartition.cpp
 src/polypartition.h
 src/ppport.h
-src/Print.cpp
-src/Print.hpp
-src/PrintConfig.cpp
-src/PrintConfig.hpp
-src/PrintObject.cpp
-src/PrintRegion.cpp
-src/Surface.cpp
-src/Surface.hpp
-src/SurfaceCollection.cpp
-src/SurfaceCollection.hpp
-src/SVG.cpp
-src/SVG.hpp
-src/TriangleMesh.cpp
-src/TriangleMesh.hpp
-src/utils.cpp
 t/01_trianglemesh.t
 t/03_point.t
 t/04_expolygon.t