0. disable arranging selected
1. fix bug where brim is not correct.
2. fix bug where big circle objects are not arranged properly
3. disable default enable_rotation
Change-Id: Ifc69f35d900ff63ec1e9ec8bf8638afc6ea7d54b
(cherry picked from commit 2ed1b0dd8573a1e10aaf77f0d9f8896cef304427)
when switch between preview and view3D,
if the screen center is on the plate
don't change to the plate view
Change-Id: I16b8815ad9b10a7cea174faa6a16bb9e582a77c3
xiangdong.yang
liz.li
Arthur
lane.wei
chunmao.guo
Stone Li