D-20

v-6.0
---
1. change mode

	==> done
D-20

v-6.1
---
1. check the box => add checkedPosition

	==> done
D-20

v-6.1
---
1. show dialog
2. Move files => to 1st order directory

	==> done
D-20

v-6.3
---
1. Move files => to 2nd order and further
	    ==> downward

	==> done
D-20

v-6.4
---
1. Move files => to 2nd order and further
		==> upward

	==> done
D-20

v-6.5
---
1. Move files => to the top dir

	==> done