use examples/tutorial/tutorial_2 instead examples/tutorial/tutorial_1
add a fast version BrinkmanProcessor2DL
fix a small bug.
new BrinkmanProcessor3DL
use Array instaed Matrix and Vector
try to use BouzidiOffLatticeModel2D and other 2D offlattice model
rename Cuboid-->>Cuboid3D ,new class Line and Cuboid2D
new class SegmentSet for 2D offlattice
It can be build bug bug exist still.
use segmentBoundary2D instead of triangleBoundary2D ......
new class SegmentPolygonMesh2D for 2D offlattice.
the off lattice for 2d part can be build well
fix more bugs for offlattice 2d part.
fix some function for 2d off lattice part.
small changes.
rename Lid2D to Curve2D......
完成函数SegmentPolygonMesh2D::rotate(T theta).
try to make package for debian system.
the read/write function for SegmentSet work well.
reformat some code.