optical flow
change default color space to rgb
new ignore
add some comment and add UpdateSegmentDepth
add optical flow init function
cvtest test code add
single image optical flow
consequent frame optical added
inherit the spins of last frame
fix black segment bug
cuda init
init GpuPottsModel
refactoring
Merge branch 'master' of https://github.com/chenjx1005/segmentation

Conflicts:
	.gitignore