1. add default support base pattern (lightning for tree support,
rectilinear for normal)
2. change default support interface pattern to "Default" (concentric for
absoluble material, rectilinear for others)
3. delete tree_support_with_infill, replace no-infill optio with "None" infill type
4. delete HAS_LIGHTNING_INFILL macro (lightning is impossible to be
removed now)
5. fix the issue that tree support base may grow above interface by
adding virtual nodes (distance_to_top<0).
Change-Id: I5affa44e1f72d0dc54052927f2b315de83702870
(cherry picked from commit a2b41b1dfd9227e68ac6d971312133ec3382baa7)
95ed039879