Merge branch 'master' of github.com:BNUCNL/region-growing-froi
Modified the parameter of the SimilarityCriteria class to be a region class.
Modified the SeededRegionGrowing class to adjust to the 4D data.
Modified the SeededRegionGrowing class to adjust to the 4D data.
Merge branch 'master' of github.com:BNUCNL/region-growing-froi

Conflicts:
	algorithm/regiongrowing.py
Merge pull request #25 from zhouguangfu/master

Modified the SeededRegionGrowing class to adjust to the 4D data.