[DOC] update TODO
Merge pull request #25 from zhouguangfu/master

Good job!
roi to interface by DXB
Merge pull request #26 from BloodNg/master

roi to interface by DXB
Merge pull request #27 from zhouguangfu/master

Add 3D volume intensity display function.
fix_bugs for lmax regiongrow and edgedetection
Merge pull request #28 from liuzhaoguo/fix_bugs

fix_bugs for localmax and regiongrow and edgedetection
Merge pull request #24 from sealhuang/update-to-do-list

[DOC] update TODO
[DOC] update TODO list
Merge pull request #29 from sealhuang/update-to-do

[DOC] update TODO list
modify roi2gwmi alogrithm
Merge pull request #30 from BloodNg/master

modify roi2gwmi alogrithm