change cursor shape while editing
BF in crosshair display
adjust the layout
Merge pull request #56 from liuzhaoguo/move_algorithms_to_tools_box

adjust the layout
Merge pull request #57 from zhouguangfu/master

Combined the voxel, ROI and ROI bacth function in a single dialog.
Merge pull request #58 from sealhuang/change-cursor-in-edit

Change cursor while editing, and fix a crosshair display bug
clean code
Merge pull request #59 from sealhuang/clean-code

clean code
BF in cursor shape
BF in image rending
BF in listwidget width expandpanding
add functional modules in min main.py
update main
Merge pull request #61 from sealhuang/fix-bug-in-display

Fix bug in display
bug fix in cross haver action
Merge pull request #62 from sealhuang/bug-fix-crosshair

bug fix in cross haver action
delete data selection bar for region grow
delete first empty_row of layout
Merge pull request #63 from liuzhaoguo/move_algorithms_to_tools_box

delete data selection bar for region grow
BF in closeEvent