basic superpixels feature added

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
Superpixels almost done

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
final label issue resolved

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
Copy issues resolved

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
minor bug fixed

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
meanColor bug removed
It was due to inappropriate slicing of the numpy
A new function added in Superpixel which draws superpixels in its mean color.
Docs added

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
example and more docs added

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
tests added

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
Merge pull request #36 from jayrambhia/Features/SLICsuperpixels

SLIC Superpixels implemented